Home / 205,234.40-307,851.60-72,264.80

Finding the Fourth Proportional to 205,234.40, 307,851.60 and 72,264.80

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Solution

The fourth proportional to 205,234.40, 307,851.60 and 72,264.80 is: 108,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,234.40 : 307,851.60 = 72,264.80 : x
  2. Step 2: Convert to fraction form
    205,234.40/307,851.60 = 72,264.80/x
  3. Step 3: Cross multiply
    205,234.40x = 307,851.60 × 72,264.80
  4. Step 4: Simplify right side
    205,234.40x = 22,246,834,303.68
  5. Step 5: Solve for x
    x = 22,246,834,303.68/205,234.40
  6. Step 6: Final answer
    x = 108,397.20

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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.