Home / 249,973.28-374,999-81,454.48

Finding the Fourth Proportional to 249,973.28, 374,999 and 81,454.48

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Solution

The fourth proportional to 249,973.28, 374,999 and 81,454.48 is: 122,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,973.28 : 374,999 = 81,454.48 : x
  2. Step 2: Convert to fraction form
    249,973.28/374,999 = 81,454.48/x
  3. Step 3: Cross multiply
    249,973.28x = 374,999 × 81,454.48
  4. Step 4: Simplify right side
    249,973.28x = 30,545,348,545.52
  5. Step 5: Solve for x
    x = 30,545,348,545.52/249,973.28
  6. Step 6: Final answer
    x = 122,194.45

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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.