Home / 249,627.40-374,441.10-143,339.20

Finding the Fourth Proportional to 249,627.40, 374,441.10 and 143,339.20

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Solution

The fourth proportional to 249,627.40, 374,441.10 and 143,339.20 is: 215,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,627.40 : 374,441.10 = 143,339.20 : x
  2. Step 2: Convert to fraction form
    249,627.40/374,441.10 = 143,339.20/x
  3. Step 3: Cross multiply
    249,627.40x = 374,441.10 × 143,339.20
  4. Step 4: Simplify right side
    249,627.40x = 53,672,087,721.12
  5. Step 5: Solve for x
    x = 53,672,087,721.12/249,627.40
  6. Step 6: Final answer
    x = 215,008.80

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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.