Home / 282,175.47-423,302.92-82,510.88

Finding the Fourth Proportional to 282,175.47, 423,302.92 and 82,510.88

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Solution

The fourth proportional to 282,175.47, 423,302.92 and 82,510.88 is: 123,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,175.47 : 423,302.92 = 82,510.88 : x
  2. Step 2: Convert to fraction form
    282,175.47/423,302.92 = 82,510.88/x
  3. Step 3: Cross multiply
    282,175.47x = 423,302.92 × 82,510.88
  4. Step 4: Simplify right side
    282,175.47x = 34,927,094,112.98
  5. Step 5: Solve for x
    x = 34,927,094,112.98/282,175.47
  6. Step 6: Final answer
    x = 123,777.92

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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.