Home / 290,168,372.70-434,685,688.65-174,810,246.30

Finding the Fourth Proportional to 290,168,372.70, 434,685,688.65 and 174,810,246.30

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Solution

The fourth proportional to 290,168,372.70, 434,685,688.65 and 174,810,246.30 is: 261,873,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,168,372.70 : 434,685,688.65 = 174,810,246.30 : x
  2. Step 2: Convert to fraction form
    290,168,372.70/434,685,688.65 = 174,810,246.30/x
  3. Step 3: Cross multiply
    290,168,372.70x = 434,685,688.65 × 174,810,246.30
  4. Step 4: Simplify right side
    290,168,372.70x = 75,987,512,295,991,616
  5. Step 5: Solve for x
    x = 75,987,512,295,991,616/290,168,372.70
  6. Step 6: Final answer
    x = 261,873,861.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.