Home / 249,264.78-373,301.10-143,763.90

Finding the Fourth Proportional to 249,264.78, 373,301.10 and 143,763.90

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Solution

The fourth proportional to 249,264.78, 373,301.10 and 143,763.90 is: 215,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,264.78 : 373,301.10 = 143,763.90 : x
  2. Step 2: Convert to fraction form
    249,264.78/373,301.10 = 143,763.90/x
  3. Step 3: Cross multiply
    249,264.78x = 373,301.10 × 143,763.90
  4. Step 4: Simplify right side
    249,264.78x = 53,667,222,010.29
  5. Step 5: Solve for x
    x = 53,667,222,010.29/249,264.78
  6. Step 6: Final answer
    x = 215,302.07

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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.