Home / 330,927.98-496,326.56-90,979.94

Finding the Fourth Proportional to 330,927.98, 496,326.56 and 90,979.94

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Solution

The fourth proportional to 330,927.98, 496,326.56 and 90,979.94 is: 136,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,927.98 : 496,326.56 = 90,979.94 : x
  2. Step 2: Convert to fraction form
    330,927.98/496,326.56 = 90,979.94/x
  3. Step 3: Cross multiply
    330,927.98x = 496,326.56 × 90,979.94
  4. Step 4: Simplify right side
    330,927.98x = 45,155,757,712.67
  5. Step 5: Solve for x
    x = 45,155,757,712.67/330,927.98
  6. Step 6: Final answer
    x = 136,451.92

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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.