Home / 288,657.42-432,875.40-99,082.46

Finding the Fourth Proportional to 288,657.42, 432,875.40 and 99,082.46

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Solution

The fourth proportional to 288,657.42, 432,875.40 and 99,082.46 is: 148,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,657.42 : 432,875.40 = 99,082.46 : x
  2. Step 2: Convert to fraction form
    288,657.42/432,875.40 = 99,082.46/x
  3. Step 3: Cross multiply
    288,657.42x = 432,875.40 × 99,082.46
  4. Step 4: Simplify right side
    288,657.42x = 42,890,359,505.48
  5. Step 5: Solve for x
    x = 42,890,359,505.48/288,657.42
  6. Step 6: Final answer
    x = 148,585.68

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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.