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Finding the Fourth Proportional to 237,374.68, 355,947.18 and 87,685.45

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Solution

The fourth proportional to 237,374.68, 355,947.18 and 87,685.45 is: 131,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,374.68 : 355,947.18 = 87,685.45 : x
  2. Step 2: Convert to fraction form
    237,374.68/355,947.18 = 87,685.45/x
  3. Step 3: Cross multiply
    237,374.68x = 355,947.18 × 87,685.45
  4. Step 4: Simplify right side
    237,374.68x = 31,211,388,654.53
  5. Step 5: Solve for x
    x = 31,211,388,654.53/237,374.68
  6. Step 6: Final answer
    x = 131,485.75

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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.