Home / 249,389.64-344,147.76-140,491.44

Finding the Fourth Proportional to 249,389.64, 344,147.76 and 140,491.44

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Solution

The fourth proportional to 249,389.64, 344,147.76 and 140,491.44 is: 193,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,389.64 : 344,147.76 = 140,491.44 : x
  2. Step 2: Convert to fraction form
    249,389.64/344,147.76 = 140,491.44/x
  3. Step 3: Cross multiply
    249,389.64x = 344,147.76 × 140,491.44
  4. Step 4: Simplify right side
    249,389.64x = 48,349,814,375.17
  5. Step 5: Solve for x
    x = 48,349,814,375.17/249,389.64
  6. Step 6: Final answer
    x = 193,872.59

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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.