Home / 294,975.10-442,693.05-137,223.10

Finding the Fourth Proportional to 294,975.10, 442,693.05 and 137,223.10

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Solution

The fourth proportional to 294,975.10, 442,693.05 and 137,223.10 is: 205,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,975.10 : 442,693.05 = 137,223.10 : x
  2. Step 2: Convert to fraction form
    294,975.10/442,693.05 = 137,223.10/x
  3. Step 3: Cross multiply
    294,975.10x = 442,693.05 × 137,223.10
  4. Step 4: Simplify right side
    294,975.10x = 60,747,712,669.46
  5. Step 5: Solve for x
    x = 60,747,712,669.46/294,975.10
  6. Step 6: Final answer
    x = 205,941.83

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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.