Home / 240,748.92-361,178.10-128,369.88

Finding the Fourth Proportional to 240,748.92, 361,178.10 and 128,369.88

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Solution

The fourth proportional to 240,748.92, 361,178.10 and 128,369.88 is: 192,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,748.92 : 361,178.10 = 128,369.88 : x
  2. Step 2: Convert to fraction form
    240,748.92/361,178.10 = 128,369.88/x
  3. Step 3: Cross multiply
    240,748.92x = 361,178.10 × 128,369.88
  4. Step 4: Simplify right side
    240,748.92x = 46,364,389,355.63
  5. Step 5: Solve for x
    x = 46,364,389,355.63/240,748.92
  6. Step 6: Final answer
    x = 192,584.00

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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.