Home / 490,961.34-736,209.32-171,001.62

Finding the Fourth Proportional to 490,961.34, 736,209.32 and 171,001.62

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Solution

The fourth proportional to 490,961.34, 736,209.32 and 171,001.62 is: 256,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,961.34 : 736,209.32 = 171,001.62 : x
  2. Step 2: Convert to fraction form
    490,961.34/736,209.32 = 171,001.62/x
  3. Step 3: Cross multiply
    490,961.34x = 736,209.32 × 171,001.62
  4. Step 4: Simplify right side
    490,961.34x = 125,892,986,379.10
  5. Step 5: Solve for x
    x = 125,892,986,379.10/490,961.34
  6. Step 6: Final answer
    x = 256,421.38

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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.