Home / 282,586.06-423,878.01-72,223.66

Finding the Fourth Proportional to 282,586.06, 423,878.01 and 72,223.66

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Solution

The fourth proportional to 282,586.06, 423,878.01 and 72,223.66 is: 108,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,586.06 : 423,878.01 = 72,223.66 : x
  2. Step 2: Convert to fraction form
    282,586.06/423,878.01 = 72,223.66/x
  3. Step 3: Cross multiply
    282,586.06x = 423,878.01 × 72,223.66
  4. Step 4: Simplify right side
    282,586.06x = 30,614,021,275.72
  5. Step 5: Solve for x
    x = 30,614,021,275.72/282,586.06
  6. Step 6: Final answer
    x = 108,335.21

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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.