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Finding the Fourth Proportional to 409,567.53, 614,627.95 and 143,330.35

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Solution

The fourth proportional to 409,567.53, 614,627.95 and 143,330.35 is: 215,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,567.53 : 614,627.95 = 143,330.35 : x
  2. Step 2: Convert to fraction form
    409,567.53/614,627.95 = 143,330.35/x
  3. Step 3: Cross multiply
    409,567.53x = 614,627.95 × 143,330.35
  4. Step 4: Simplify right side
    409,567.53x = 88,094,839,193.28
  5. Step 5: Solve for x
    x = 88,094,839,193.28/409,567.53
  6. Step 6: Final answer
    x = 215,092.34

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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.