Home / 456,269.20-629,640.20-252,331.52

Finding the Fourth Proportional to 456,269.20, 629,640.20 and 252,331.52

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Solution

The fourth proportional to 456,269.20, 629,640.20 and 252,331.52 is: 348,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,269.20 : 629,640.20 = 252,331.52 : x
  2. Step 2: Convert to fraction form
    456,269.20/629,640.20 = 252,331.52/x
  3. Step 3: Cross multiply
    456,269.20x = 629,640.20 × 252,331.52
  4. Step 4: Simplify right side
    456,269.20x = 158,878,068,719.10
  5. Step 5: Solve for x
    x = 158,878,068,719.10/456,269.20
  6. Step 6: Final answer
    x = 348,211.25

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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.