Home / 500,138.40-749,657.17-247,044.18

Finding the Fourth Proportional to 500,138.40, 749,657.17 and 247,044.18

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Solution

The fourth proportional to 500,138.40, 749,657.17 and 247,044.18 is: 370,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,138.40 : 749,657.17 = 247,044.18 : x
  2. Step 2: Convert to fraction form
    500,138.40/749,657.17 = 247,044.18/x
  3. Step 3: Cross multiply
    500,138.40x = 749,657.17 × 247,044.18
  4. Step 4: Simplify right side
    500,138.40x = 185,198,440,843.77
  5. Step 5: Solve for x
    x = 185,198,440,843.77/500,138.40
  6. Step 6: Final answer
    x = 370,294.38

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1.5x scale

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.