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Finding the Fourth Proportional to 565,393.04, 847,882.20 and 165,931.28

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Solution

The fourth proportional to 565,393.04, 847,882.20 and 165,931.28 is: 248,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,393.04 : 847,882.20 = 165,931.28 : x
  2. Step 2: Convert to fraction form
    565,393.04/847,882.20 = 165,931.28/x
  3. Step 3: Cross multiply
    565,393.04x = 847,882.20 × 165,931.28
  4. Step 4: Simplify right side
    565,393.04x = 140,690,178,735.22
  5. Step 5: Solve for x
    x = 140,690,178,735.22/565,393.04
  6. Step 6: Final answer
    x = 248,836.06

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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.