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Finding the Fourth Proportional to 242,841.02, 364,262.22 and 85,032.59

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Solution

The fourth proportional to 242,841.02, 364,262.22 and 85,032.59 is: 127,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,841.02 : 364,262.22 = 85,032.59 : x
  2. Step 2: Convert to fraction form
    242,841.02/364,262.22 = 85,032.59/x
  3. Step 3: Cross multiply
    242,841.02x = 364,262.22 × 85,032.59
  4. Step 4: Simplify right side
    242,841.02x = 30,974,158,184.44
  5. Step 5: Solve for x
    x = 30,974,158,184.44/242,841.02
  6. Step 6: Final answer
    x = 127,549.12

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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.