Home / 249,836.40-375,046.20-143,305.20

Finding the Fourth Proportional to 249,836.40, 375,046.20 and 143,305.20

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Solution

The fourth proportional to 249,836.40, 375,046.20 and 143,305.20 is: 215,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,836.40 : 375,046.20 = 143,305.20 : x
  2. Step 2: Convert to fraction form
    249,836.40/375,046.20 = 143,305.20/x
  3. Step 3: Cross multiply
    249,836.40x = 375,046.20 × 143,305.20
  4. Step 4: Simplify right side
    249,836.40x = 53,746,070,700.24
  5. Step 5: Solve for x
    x = 53,746,070,700.24/249,836.40
  6. Step 6: Final answer
    x = 215,125.06

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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.