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Finding the Fourth Proportional to 249,410.80, 374,150.06 and 80,876.16

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Solution

The fourth proportional to 249,410.80, 374,150.06 and 80,876.16 is: 121,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,410.80 : 374,150.06 = 80,876.16 : x
  2. Step 2: Convert to fraction form
    249,410.80/374,150.06 = 80,876.16/x
  3. Step 3: Cross multiply
    249,410.80x = 374,150.06 × 80,876.16
  4. Step 4: Simplify right side
    249,410.80x = 30,259,820,116.57
  5. Step 5: Solve for x
    x = 30,259,820,116.57/249,410.80
  6. Step 6: Final answer
    x = 121,325.22

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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.