Home / 288,447.23-432,711.84-88,784.25

Finding the Fourth Proportional to 288,447.23, 432,711.84 and 88,784.25

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Solution

The fourth proportional to 288,447.23, 432,711.84 and 88,784.25 is: 133,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,447.23 : 432,711.84 = 88,784.25 : x
  2. Step 2: Convert to fraction form
    288,447.23/432,711.84 = 88,784.25/x
  3. Step 3: Cross multiply
    288,447.23x = 432,711.84 × 88,784.25
  4. Step 4: Simplify right side
    288,447.23x = 38,417,996,180.52
  5. Step 5: Solve for x
    x = 38,417,996,180.52/288,447.23
  6. Step 6: Final answer
    x = 133,189.00

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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.