Home / 249,379.04-374,121.17-80,886.28

Finding the Fourth Proportional to 249,379.04, 374,121.17 and 80,886.28

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Solution

The fourth proportional to 249,379.04, 374,121.17 and 80,886.28 is: 121,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,379.04 : 374,121.17 = 80,886.28 : x
  2. Step 2: Convert to fraction form
    249,379.04/374,121.17 = 80,886.28/x
  3. Step 3: Cross multiply
    249,379.04x = 374,121.17 × 80,886.28
  4. Step 4: Simplify right side
    249,379.04x = 30,261,269,710.55
  5. Step 5: Solve for x
    x = 30,261,269,710.55/249,379.04
  6. Step 6: Final answer
    x = 121,346.48

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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.