Home / 249,368.05-344,123.26-140,472.73

Finding the Fourth Proportional to 249,368.05, 344,123.26 and 140,472.73

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Solution

The fourth proportional to 249,368.05, 344,123.26 and 140,472.73 is: 193,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,368.05 : 344,123.26 = 140,472.73 : x
  2. Step 2: Convert to fraction form
    249,368.05/344,123.26 = 140,472.73/x
  3. Step 3: Cross multiply
    249,368.05x = 344,123.26 × 140,472.73
  4. Step 4: Simplify right side
    249,368.05x = 48,339,933,788.70
  5. Step 5: Solve for x
    x = 48,339,933,788.70/249,368.05
  6. Step 6: Final answer
    x = 193,849.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.