Home / 434,565.60-651,824.10-135,043.80

Finding the Fourth Proportional to 434,565.60, 651,824.10 and 135,043.80

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Solution

The fourth proportional to 434,565.60, 651,824.10 and 135,043.80 is: 202,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,565.60 : 651,824.10 = 135,043.80 : x
  2. Step 2: Convert to fraction form
    434,565.60/651,824.10 = 135,043.80/x
  3. Step 3: Cross multiply
    434,565.60x = 651,824.10 × 135,043.80
  4. Step 4: Simplify right side
    434,565.60x = 88,024,803,395.58
  5. Step 5: Solve for x
    x = 88,024,803,395.58/434,565.60
  6. Step 6: Final answer
    x = 202,558.15

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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.