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Finding the Fourth Proportional to 288,475.66, 432,754.44 and 88,812.64

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Solution

The fourth proportional to 288,475.66, 432,754.44 and 88,812.64 is: 133,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,475.66 : 432,754.44 = 88,812.64 : x
  2. Step 2: Convert to fraction form
    288,475.66/432,754.44 = 88,812.64/x
  3. Step 3: Cross multiply
    288,475.66x = 432,754.44 × 88,812.64
  4. Step 4: Simplify right side
    288,475.66x = 38,434,064,288.12
  5. Step 5: Solve for x
    x = 38,434,064,288.12/288,475.66
  6. Step 6: Final answer
    x = 133,231.57

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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.