Home / 288,942.32-433,454.94-89,280.14

Finding the Fourth Proportional to 288,942.32, 433,454.94 and 89,280.14

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Solution

The fourth proportional to 288,942.32, 433,454.94 and 89,280.14 is: 133,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,942.32 : 433,454.94 = 89,280.14 : x
  2. Step 2: Convert to fraction form
    288,942.32/433,454.94 = 89,280.14/x
  3. Step 3: Cross multiply
    288,942.32x = 433,454.94 × 89,280.14
  4. Step 4: Simplify right side
    288,942.32x = 38,698,917,726.89
  5. Step 5: Solve for x
    x = 38,698,917,726.89/288,942.32
  6. Step 6: Final answer
    x = 133,933.02

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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.