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Finding the Fourth Proportional to 337,189.70, 506,068.32 and 168,659.48

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Solution

The fourth proportional to 337,189.70, 506,068.32 and 168,659.48 is: 253,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,189.70 : 506,068.32 = 168,659.48 : x
  2. Step 2: Convert to fraction form
    337,189.70/506,068.32 = 168,659.48/x
  3. Step 3: Cross multiply
    337,189.70x = 506,068.32 × 168,659.48
  4. Step 4: Simplify right side
    337,189.70x = 85,353,219,695.67
  5. Step 5: Solve for x
    x = 85,353,219,695.67/337,189.70
  6. Step 6: Final answer
    x = 253,131.16

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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.