Home / 249,429.81-374,047.65-80,909.38

Finding the Fourth Proportional to 249,429.81, 374,047.65 and 80,909.38

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Solution

The fourth proportional to 249,429.81, 374,047.65 and 80,909.38 is: 121,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,429.81 : 374,047.65 = 80,909.38 : x
  2. Step 2: Convert to fraction form
    249,429.81/374,047.65 = 80,909.38/x
  3. Step 3: Cross multiply
    249,429.81x = 374,047.65 × 80,909.38
  4. Step 4: Simplify right side
    249,429.81x = 30,263,963,691.96
  5. Step 5: Solve for x
    x = 30,263,963,691.96/249,429.81
  6. Step 6: Final answer
    x = 121,332.59

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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.