Home / 249,931.20-374,443.20-144,436.80

Finding the Fourth Proportional to 249,931.20, 374,443.20 and 144,436.80

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Solution

The fourth proportional to 249,931.20, 374,443.20 and 144,436.80 is: 216,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,931.20 : 374,443.20 = 144,436.80 : x
  2. Step 2: Convert to fraction form
    249,931.20/374,443.20 = 144,436.80/x
  3. Step 3: Cross multiply
    249,931.20x = 374,443.20 × 144,436.80
  4. Step 4: Simplify right side
    249,931.20x = 54,083,377,589.76
  5. Step 5: Solve for x
    x = 54,083,377,589.76/249,931.20
  6. Step 6: Final answer
    x = 216,393.06

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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.