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Finding the Fourth Proportional to 567,656.18, 851,487.75 and 168,300.74

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Solution

The fourth proportional to 567,656.18, 851,487.75 and 168,300.74 is: 252,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,656.18 : 851,487.75 = 168,300.74 : x
  2. Step 2: Convert to fraction form
    567,656.18/851,487.75 = 168,300.74/x
  3. Step 3: Cross multiply
    567,656.18x = 851,487.75 × 168,300.74
  4. Step 4: Simplify right side
    567,656.18x = 143,306,018,425.94
  5. Step 5: Solve for x
    x = 143,306,018,425.94/567,656.18
  6. Step 6: Final answer
    x = 252,452.14

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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.