Home / 282,531.93-389,898.25-153,472.91

Finding the Fourth Proportional to 282,531.93, 389,898.25 and 153,472.91

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Solution

The fourth proportional to 282,531.93, 389,898.25 and 153,472.91 is: 211,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,531.93 : 389,898.25 = 153,472.91 : x
  2. Step 2: Convert to fraction form
    282,531.93/389,898.25 = 153,472.91/x
  3. Step 3: Cross multiply
    282,531.93x = 389,898.25 × 153,472.91
  4. Step 4: Simplify right side
    282,531.93x = 59,838,817,289.30
  5. Step 5: Solve for x
    x = 59,838,817,289.30/282,531.93
  6. Step 6: Final answer
    x = 211,794.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.