Home / 249,668.28-344,543.40-136,491

Finding the Fourth Proportional to 249,668.28, 344,543.40 and 136,491

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Solution

The fourth proportional to 249,668.28, 344,543.40 and 136,491 is: 188,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,668.28 : 344,543.40 = 136,491 : x
  2. Step 2: Convert to fraction form
    249,668.28/344,543.40 = 136,491/x
  3. Step 3: Cross multiply
    249,668.28x = 344,543.40 × 136,491
  4. Step 4: Simplify right side
    249,668.28x = 47,027,073,209.40
  5. Step 5: Solve for x
    x = 47,027,073,209.40/249,668.28
  6. Step 6: Final answer
    x = 188,358.22

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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.