Home / 434,540.20-651,810.30-247,916.20

Finding the Fourth Proportional to 434,540.20, 651,810.30 and 247,916.20

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Solution

The fourth proportional to 434,540.20, 651,810.30 and 247,916.20 is: 371,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,540.20 : 651,810.30 = 247,916.20 : x
  2. Step 2: Convert to fraction form
    434,540.20/651,810.30 = 247,916.20/x
  3. Step 3: Cross multiply
    434,540.20x = 651,810.30 × 247,916.20
  4. Step 4: Simplify right side
    434,540.20x = 161,594,332,696.86
  5. Step 5: Solve for x
    x = 161,594,332,696.86/434,540.20
  6. Step 6: Final answer
    x = 371,874.30

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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.