Home / 615,176.20-921,986.70-298,952.20

Finding the Fourth Proportional to 615,176.20, 921,986.70 and 298,952.20

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Solution

The fourth proportional to 615,176.20, 921,986.70 and 298,952.20 is: 448,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,176.20 : 921,986.70 = 298,952.20 : x
  2. Step 2: Convert to fraction form
    615,176.20/921,986.70 = 298,952.20/x
  3. Step 3: Cross multiply
    615,176.20x = 921,986.70 × 298,952.20
  4. Step 4: Simplify right side
    615,176.20x = 275,629,952,335.74
  5. Step 5: Solve for x
    x = 275,629,952,335.74/615,176.20
  6. Step 6: Final answer
    x = 448,050.42

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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.