Home / 247,926.80-371,890.20-142,950.80

Finding the Fourth Proportional to 247,926.80, 371,890.20 and 142,950.80

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Solution

The fourth proportional to 247,926.80, 371,890.20 and 142,950.80 is: 214,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,926.80 : 371,890.20 = 142,950.80 : x
  2. Step 2: Convert to fraction form
    247,926.80/371,890.20 = 142,950.80/x
  3. Step 3: Cross multiply
    247,926.80x = 371,890.20 × 142,950.80
  4. Step 4: Simplify right side
    247,926.80x = 53,162,001,602.16
  5. Step 5: Solve for x
    x = 53,162,001,602.16/247,926.80
  6. Step 6: Final answer
    x = 214,426.20

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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.