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Finding the Fourth Proportional to 545,282.96, 818,054.16 and 171,306.08

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Solution

The fourth proportional to 545,282.96, 818,054.16 and 171,306.08 is: 256,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,282.96 : 818,054.16 = 171,306.08 : x
  2. Step 2: Convert to fraction form
    545,282.96/818,054.16 = 171,306.08/x
  3. Step 3: Cross multiply
    545,282.96x = 818,054.16 × 171,306.08
  4. Step 4: Simplify right side
    545,282.96x = 140,137,651,377.29
  5. Step 5: Solve for x
    x = 140,137,651,377.29/545,282.96
  6. Step 6: Final answer
    x = 256,999.87

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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.