Home / 288,351.27-432,682.02-119,987.82

Finding the Fourth Proportional to 288,351.27, 432,682.02 and 119,987.82

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Solution

The fourth proportional to 288,351.27, 432,682.02 and 119,987.82 is: 180,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,351.27 : 432,682.02 = 119,987.82 : x
  2. Step 2: Convert to fraction form
    288,351.27/432,682.02 = 119,987.82/x
  3. Step 3: Cross multiply
    288,351.27x = 432,682.02 × 119,987.82
  4. Step 4: Simplify right side
    288,351.27x = 51,916,572,333.00
  5. Step 5: Solve for x
    x = 51,916,572,333.00/288,351.27
  6. Step 6: Final answer
    x = 180,046.28

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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.