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Finding the Fourth Proportional to 243,317.74, 364,988.76 and 93,505.54

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Solution

The fourth proportional to 243,317.74, 364,988.76 and 93,505.54 is: 140,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,317.74 : 364,988.76 = 93,505.54 : x
  2. Step 2: Convert to fraction form
    243,317.74/364,988.76 = 93,505.54/x
  3. Step 3: Cross multiply
    243,317.74x = 364,988.76 × 93,505.54
  4. Step 4: Simplify right side
    243,317.74x = 34,128,471,097.73
  5. Step 5: Solve for x
    x = 34,128,471,097.73/243,317.74
  6. Step 6: Final answer
    x = 140,262.98

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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.