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Finding the Fourth Proportional to 452,800.20, 679,200.30 and 137,216.10

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Solution

The fourth proportional to 452,800.20, 679,200.30 and 137,216.10 is: 205,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,800.20 : 679,200.30 = 137,216.10 : x
  2. Step 2: Convert to fraction form
    452,800.20/679,200.30 = 137,216.10/x
  3. Step 3: Cross multiply
    452,800.20x = 679,200.30 × 137,216.10
  4. Step 4: Simplify right side
    452,800.20x = 93,197,216,284.83
  5. Step 5: Solve for x
    x = 93,197,216,284.83/452,800.20
  6. Step 6: Final answer
    x = 205,824.15

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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.