Home / 282,442.30-423,663.21-72,080.26

Finding the Fourth Proportional to 282,442.30, 423,663.21 and 72,080.26

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Solution

The fourth proportional to 282,442.30, 423,663.21 and 72,080.26 is: 108,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,442.30 : 423,663.21 = 72,080.26 : x
  2. Step 2: Convert to fraction form
    282,442.30/423,663.21 = 72,080.26/x
  3. Step 3: Cross multiply
    282,442.30x = 423,663.21 × 72,080.26
  4. Step 4: Simplify right side
    282,442.30x = 30,537,754,329.23
  5. Step 5: Solve for x
    x = 30,537,754,329.23/282,442.30
  6. Step 6: Final answer
    x = 108,120.33

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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.