Home / 249,380.40-374,123.20-80,887.64

Finding the Fourth Proportional to 249,380.40, 374,123.20 and 80,887.64

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Solution

The fourth proportional to 249,380.40, 374,123.20 and 80,887.64 is: 121,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,380.40 : 374,123.20 = 80,887.64 : x
  2. Step 2: Convert to fraction form
    249,380.40/374,123.20 = 80,887.64/x
  3. Step 3: Cross multiply
    249,380.40x = 374,123.20 × 80,887.64
  4. Step 4: Simplify right side
    249,380.40x = 30,261,942,502.37
  5. Step 5: Solve for x
    x = 30,261,942,502.37/249,380.40
  6. Step 6: Final answer
    x = 121,348.52

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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.