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Finding the Fourth Proportional to 361,877.60, 542,816.40 and 249,903.20

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Solution

The fourth proportional to 361,877.60, 542,816.40 and 249,903.20 is: 374,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,877.60 : 542,816.40 = 249,903.20 : x
  2. Step 2: Convert to fraction form
    361,877.60/542,816.40 = 249,903.20/x
  3. Step 3: Cross multiply
    361,877.60x = 542,816.40 × 249,903.20
  4. Step 4: Simplify right side
    361,877.60x = 135,651,555,372.48
  5. Step 5: Solve for x
    x = 135,651,555,372.48/361,877.60
  6. Step 6: Final answer
    x = 374,854.80

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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.