Home / 330,966.95-496,660.28-141,428.70

Finding the Fourth Proportional to 330,966.95, 496,660.28 and 141,428.70

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Solution

The fourth proportional to 330,966.95, 496,660.28 and 141,428.70 is: 212,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,966.95 : 496,660.28 = 141,428.70 : x
  2. Step 2: Convert to fraction form
    330,966.95/496,660.28 = 141,428.70/x
  3. Step 3: Cross multiply
    330,966.95x = 496,660.28 × 141,428.70
  4. Step 4: Simplify right side
    330,966.95x = 70,242,017,034.89
  5. Step 5: Solve for x
    x = 70,242,017,034.89/330,966.95
  6. Step 6: Final answer
    x = 212,232.73

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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.