Home / 434,559.60-651,815.10-135,037.80

Finding the Fourth Proportional to 434,559.60, 651,815.10 and 135,037.80

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Solution

The fourth proportional to 434,559.60, 651,815.10 and 135,037.80 is: 202,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,559.60 : 651,815.10 = 135,037.80 : x
  2. Step 2: Convert to fraction form
    434,559.60/651,815.10 = 135,037.80/x
  3. Step 3: Cross multiply
    434,559.60x = 651,815.10 × 135,037.80
  4. Step 4: Simplify right side
    434,559.60x = 88,019,677,110.78
  5. Step 5: Solve for x
    x = 88,019,677,110.78/434,559.60
  6. Step 6: Final answer
    x = 202,549.15

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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.