Home / 389,057.12-583,585.12-152,233.60

Finding the Fourth Proportional to 389,057.12, 583,585.12 and 152,233.60

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Solution

The fourth proportional to 389,057.12, 583,585.12 and 152,233.60 is: 228,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,057.12 : 583,585.12 = 152,233.60 : x
  2. Step 2: Convert to fraction form
    389,057.12/583,585.12 = 152,233.60/x
  3. Step 3: Cross multiply
    389,057.12x = 583,585.12 × 152,233.60
  4. Step 4: Simplify right side
    389,057.12x = 88,841,263,724.03
  5. Step 5: Solve for x
    x = 88,841,263,724.03/389,057.12
  6. Step 6: Final answer
    x = 228,350.18

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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.