Home / 434,443.36-651,755.76-134,916.16

Finding the Fourth Proportional to 434,443.36, 651,755.76 and 134,916.16

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Solution

The fourth proportional to 434,443.36, 651,755.76 and 134,916.16 is: 202,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,443.36 : 651,755.76 = 134,916.16 : x
  2. Step 2: Convert to fraction form
    434,443.36/651,755.76 = 134,916.16/x
  3. Step 3: Cross multiply
    434,443.36x = 651,755.76 × 134,916.16
  4. Step 4: Simplify right side
    434,443.36x = 87,932,384,397.08
  5. Step 5: Solve for x
    x = 87,932,384,397.08/434,443.36
  6. Step 6: Final answer
    x = 202,402.41

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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.