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Finding the Fourth Proportional to 564,870.02, 847,311.92 and 165,518.87

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Solution

The fourth proportional to 564,870.02, 847,311.92 and 165,518.87 is: 248,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,870.02 : 847,311.92 = 165,518.87 : x
  2. Step 2: Convert to fraction form
    564,870.02/847,311.92 = 165,518.87/x
  3. Step 3: Cross multiply
    564,870.02x = 847,311.92 × 165,518.87
  4. Step 4: Simplify right side
    564,870.02x = 140,246,110,708.34
  5. Step 5: Solve for x
    x = 140,246,110,708.34/564,870.02
  6. Step 6: Final answer
    x = 248,280.32

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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.