Home / 247,929.20-372,282.60-142,953.20

Finding the Fourth Proportional to 247,929.20, 372,282.60 and 142,953.20

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Solution

The fourth proportional to 247,929.20, 372,282.60 and 142,953.20 is: 214,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,929.20 : 372,282.60 = 142,953.20 : x
  2. Step 2: Convert to fraction form
    247,929.20/372,282.60 = 142,953.20/x
  3. Step 3: Cross multiply
    247,929.20x = 372,282.60 × 142,953.20
  4. Step 4: Simplify right side
    247,929.20x = 53,218,988,974.32
  5. Step 5: Solve for x
    x = 53,218,988,974.32/247,929.20
  6. Step 6: Final answer
    x = 214,653.98

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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.