Home / 314,845.20-434,484.72-171,604.80

Finding the Fourth Proportional to 314,845.20, 434,484.72 and 171,604.80

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Solution

The fourth proportional to 314,845.20, 434,484.72 and 171,604.80 is: 236,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,845.20 : 434,484.72 = 171,604.80 : x
  2. Step 2: Convert to fraction form
    314,845.20/434,484.72 = 171,604.80/x
  3. Step 3: Cross multiply
    314,845.20x = 434,484.72 × 171,604.80
  4. Step 4: Simplify right side
    314,845.20x = 74,559,663,478.66
  5. Step 5: Solve for x
    x = 74,559,663,478.66/314,845.20
  6. Step 6: Final answer
    x = 236,813.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.