Home / 330,812.20-496,283.10-141,272.20

Finding the Fourth Proportional to 330,812.20, 496,283.10 and 141,272.20

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Solution

The fourth proportional to 330,812.20, 496,283.10 and 141,272.20 is: 211,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,812.20 : 496,283.10 = 141,272.20 : x
  2. Step 2: Convert to fraction form
    330,812.20/496,283.10 = 141,272.20/x
  3. Step 3: Cross multiply
    330,812.20x = 496,283.10 × 141,272.20
  4. Step 4: Simplify right side
    330,812.20x = 70,111,005,359.82
  5. Step 5: Solve for x
    x = 70,111,005,359.82/330,812.20
  6. Step 6: Final answer
    x = 211,935.97

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1.5x scale

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.