Home / 434,557.60-651,812.10-135,035.80

Finding the Fourth Proportional to 434,557.60, 651,812.10 and 135,035.80

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Solution

The fourth proportional to 434,557.60, 651,812.10 and 135,035.80 is: 202,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,557.60 : 651,812.10 = 135,035.80 : x
  2. Step 2: Convert to fraction form
    434,557.60/651,812.10 = 135,035.80/x
  3. Step 3: Cross multiply
    434,557.60x = 651,812.10 × 135,035.80
  4. Step 4: Simplify right side
    434,557.60x = 88,017,968,373.18
  5. Step 5: Solve for x
    x = 88,017,968,373.18/434,557.60
  6. Step 6: Final answer
    x = 202,546.15

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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.