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Finding the Fourth Proportional to 545,500.89, 818,531.62 and 242,102.94

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Solution

The fourth proportional to 545,500.89, 818,531.62 and 242,102.94 is: 363,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,500.89 : 818,531.62 = 242,102.94 : x
  2. Step 2: Convert to fraction form
    545,500.89/818,531.62 = 242,102.94/x
  3. Step 3: Cross multiply
    545,500.89x = 818,531.62 × 242,102.94
  4. Step 4: Simplify right side
    545,500.89x = 198,168,908,010.21
  5. Step 5: Solve for x
    x = 198,168,908,010.21/545,500.89
  6. Step 6: Final answer
    x = 363,278.80

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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.