Home / 249,625.60-374,438.40-155,147.20

Finding the Fourth Proportional to 249,625.60, 374,438.40 and 155,147.20

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Solution

The fourth proportional to 249,625.60, 374,438.40 and 155,147.20 is: 232,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,625.60 : 374,438.40 = 155,147.20 : x
  2. Step 2: Convert to fraction form
    249,625.60/374,438.40 = 155,147.20/x
  3. Step 3: Cross multiply
    249,625.60x = 374,438.40 × 155,147.20
  4. Step 4: Simplify right side
    249,625.60x = 58,093,069,332.48
  5. Step 5: Solve for x
    x = 58,093,069,332.48/249,625.60
  6. Step 6: Final answer
    x = 232,720.80

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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.