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Finding the Fourth Proportional to 589,803.12, 884,691.72 and 169,082.64

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Solution

The fourth proportional to 589,803.12, 884,691.72 and 169,082.64 is: 253,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,803.12 : 884,691.72 = 169,082.64 : x
  2. Step 2: Convert to fraction form
    589,803.12/884,691.72 = 169,082.64/x
  3. Step 3: Cross multiply
    589,803.12x = 884,691.72 × 169,082.64
  4. Step 4: Simplify right side
    589,803.12x = 149,586,011,603.74
  5. Step 5: Solve for x
    x = 149,586,011,603.74/589,803.12
  6. Step 6: Final answer
    x = 253,620.24

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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.