Home / 249,738.72-344,572.95-142,306.47

Finding the Fourth Proportional to 249,738.72, 344,572.95 and 142,306.47

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Solution

The fourth proportional to 249,738.72, 344,572.95 and 142,306.47 is: 196,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,738.72 : 344,572.95 = 142,306.47 : x
  2. Step 2: Convert to fraction form
    249,738.72/344,572.95 = 142,306.47/x
  3. Step 3: Cross multiply
    249,738.72x = 344,572.95 × 142,306.47
  4. Step 4: Simplify right side
    249,738.72x = 49,034,960,171.99
  5. Step 5: Solve for x
    x = 49,034,960,171.99/249,738.72
  6. Step 6: Final answer
    x = 196,345.04

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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.