Home / 294,972.60-442,689.30-137,220.60

Finding the Fourth Proportional to 294,972.60, 442,689.30 and 137,220.60

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Solution

The fourth proportional to 294,972.60, 442,689.30 and 137,220.60 is: 205,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,972.60 : 442,689.30 = 137,220.60 : x
  2. Step 2: Convert to fraction form
    294,972.60/442,689.30 = 137,220.60/x
  3. Step 3: Cross multiply
    294,972.60x = 442,689.30 × 137,220.60
  4. Step 4: Simplify right side
    294,972.60x = 60,746,091,359.58
  5. Step 5: Solve for x
    x = 60,746,091,359.58/294,972.60
  6. Step 6: Final answer
    x = 205,938.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.