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Finding the Fourth Proportional to 182,633.76, 274,136.88 and 98,390.40

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Solution

The fourth proportional to 182,633.76, 274,136.88 and 98,390.40 is: 147,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,633.76 : 274,136.88 = 98,390.40 : x
  2. Step 2: Convert to fraction form
    182,633.76/274,136.88 = 98,390.40/x
  3. Step 3: Cross multiply
    182,633.76x = 274,136.88 × 98,390.40
  4. Step 4: Simplify right side
    182,633.76x = 26,972,437,277.95
  5. Step 5: Solve for x
    x = 26,972,437,277.95/182,633.76
  6. Step 6: Final answer
    x = 147,685.93

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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.