Home / 249,383.04-374,127.12-80,890.25

Finding the Fourth Proportional to 249,383.04, 374,127.12 and 80,890.25

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Solution

The fourth proportional to 249,383.04, 374,127.12 and 80,890.25 is: 121,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,383.04 : 374,127.12 = 80,890.25 : x
  2. Step 2: Convert to fraction form
    249,383.04/374,127.12 = 80,890.25/x
  3. Step 3: Cross multiply
    249,383.04x = 374,127.12 × 80,890.25
  4. Step 4: Simplify right side
    249,383.04x = 30,263,234,397.94
  5. Step 5: Solve for x
    x = 30,263,234,397.94/249,383.04
  6. Step 6: Final answer
    x = 121,352.42

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1.5x scale

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.