Home / 288,933.68-433,419.54-75,706.82

Finding the Fourth Proportional to 288,933.68, 433,419.54 and 75,706.82

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Solution

The fourth proportional to 288,933.68, 433,419.54 and 75,706.82 is: 113,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,933.68 : 433,419.54 = 75,706.82 : x
  2. Step 2: Convert to fraction form
    288,933.68/433,419.54 = 75,706.82/x
  3. Step 3: Cross multiply
    288,933.68x = 433,419.54 × 75,706.82
  4. Step 4: Simplify right side
    288,933.68x = 32,812,812,932.17
  5. Step 5: Solve for x
    x = 32,812,812,932.17/288,933.68
  6. Step 6: Final answer
    x = 113,565.21

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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.