Home / 438,938.40-658,626.30-249,544.20

Finding the Fourth Proportional to 438,938.40, 658,626.30 and 249,544.20

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Solution

The fourth proportional to 438,938.40, 658,626.30 and 249,544.20 is: 374,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,938.40 : 658,626.30 = 249,544.20 : x
  2. Step 2: Convert to fraction form
    438,938.40/658,626.30 = 249,544.20/x
  3. Step 3: Cross multiply
    438,938.40x = 658,626.30 × 249,544.20
  4. Step 4: Simplify right side
    438,938.40x = 164,356,373,132.46
  5. Step 5: Solve for x
    x = 164,356,373,132.46/438,938.40
  6. Step 6: Final answer
    x = 374,440.63

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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.