Home / 296,778.40-444,001.20-268,784.80

Finding the Fourth Proportional to 296,778.40, 444,001.20 and 268,784.80

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Solution

The fourth proportional to 296,778.40, 444,001.20 and 268,784.80 is: 402,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,778.40 : 444,001.20 = 268,784.80 : x
  2. Step 2: Convert to fraction form
    296,778.40/444,001.20 = 268,784.80/x
  3. Step 3: Cross multiply
    296,778.40x = 444,001.20 × 268,784.80
  4. Step 4: Simplify right side
    296,778.40x = 119,340,773,741.76
  5. Step 5: Solve for x
    x = 119,340,773,741.76/296,778.40
  6. Step 6: Final answer
    x = 402,120.82

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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.