Home / 249,843.40-375,056.70-143,312.20

Finding the Fourth Proportional to 249,843.40, 375,056.70 and 143,312.20

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Solution

The fourth proportional to 249,843.40, 375,056.70 and 143,312.20 is: 215,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,843.40 : 375,056.70 = 143,312.20 : x
  2. Step 2: Convert to fraction form
    249,843.40/375,056.70 = 143,312.20/x
  3. Step 3: Cross multiply
    249,843.40x = 375,056.70 × 143,312.20
  4. Step 4: Simplify right side
    249,843.40x = 53,750,200,801.74
  5. Step 5: Solve for x
    x = 53,750,200,801.74/249,843.40
  6. Step 6: Final answer
    x = 215,135.56

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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.