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Finding the Fourth Proportional to 249,381.53, 374,124.87 and 80,888.75

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Solution

The fourth proportional to 249,381.53, 374,124.87 and 80,888.75 is: 121,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,381.53 : 374,124.87 = 80,888.75 : x
  2. Step 2: Convert to fraction form
    249,381.53/374,124.87 = 80,888.75/x
  3. Step 3: Cross multiply
    249,381.53x = 374,124.87 × 80,888.75
  4. Step 4: Simplify right side
    249,381.53x = 30,262,493,435.28
  5. Step 5: Solve for x
    x = 30,262,493,435.28/249,381.53
  6. Step 6: Final answer
    x = 121,350.18

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1.5x scale

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.