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Finding the Fourth Proportional to 471,353.12, 707,031.14 and 116,367.18

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Solution

The fourth proportional to 471,353.12, 707,031.14 and 116,367.18 is: 174,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,353.12 : 707,031.14 = 116,367.18 : x
  2. Step 2: Convert to fraction form
    471,353.12/707,031.14 = 116,367.18/x
  3. Step 3: Cross multiply
    471,353.12x = 707,031.14 × 116,367.18
  4. Step 4: Simplify right side
    471,353.12x = 82,275,219,933.99
  5. Step 5: Solve for x
    x = 82,275,219,933.99/471,353.12
  6. Step 6: Final answer
    x = 174,551.13

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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.