Home / 288,848.76-433,314.18-89,185.56

Finding the Fourth Proportional to 288,848.76, 433,314.18 and 89,185.56

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Solution

The fourth proportional to 288,848.76, 433,314.18 and 89,185.56 is: 133,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,848.76 : 433,314.18 = 89,185.56 : x
  2. Step 2: Convert to fraction form
    288,848.76/433,314.18 = 89,185.56/x
  3. Step 3: Cross multiply
    288,848.76x = 433,314.18 × 89,185.56
  4. Step 4: Simplify right side
    288,848.76x = 38,645,367,799.24
  5. Step 5: Solve for x
    x = 38,645,367,799.24/288,848.76
  6. Step 6: Final answer
    x = 133,791.01

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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.