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Finding the Fourth Proportional to 240,282.48, 359,898.72 and 121,750.32

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Solution

The fourth proportional to 240,282.48, 359,898.72 and 121,750.32 is: 182,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,282.48 : 359,898.72 = 121,750.32 : x
  2. Step 2: Convert to fraction form
    240,282.48/359,898.72 = 121,750.32/x
  3. Step 3: Cross multiply
    240,282.48x = 359,898.72 × 121,750.32
  4. Step 4: Simplify right side
    240,282.48x = 43,817,784,327.59
  5. Step 5: Solve for x
    x = 43,817,784,327.59/240,282.48
  6. Step 6: Final answer
    x = 182,359.46

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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.