Home / 249,712.31-344,636.75-140,839.02

Finding the Fourth Proportional to 249,712.31, 344,636.75 and 140,839.02

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Solution

The fourth proportional to 249,712.31, 344,636.75 and 140,839.02 is: 194,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,712.31 : 344,636.75 = 140,839.02 : x
  2. Step 2: Convert to fraction form
    249,712.31/344,636.75 = 140,839.02/x
  3. Step 3: Cross multiply
    249,712.31x = 344,636.75 × 140,839.02
  4. Step 4: Simplify right side
    249,712.31x = 48,538,302,478.08
  5. Step 5: Solve for x
    x = 48,538,302,478.08/249,712.31
  6. Step 6: Final answer
    x = 194,376.89

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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.