Home / 330,036.02-495,053.98-212,454.70

Finding the Fourth Proportional to 330,036.02, 495,053.98 and 212,454.70

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Solution

The fourth proportional to 330,036.02, 495,053.98 and 212,454.70 is: 318,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,036.02 : 495,053.98 = 212,454.70 : x
  2. Step 2: Convert to fraction form
    330,036.02/495,053.98 = 212,454.70/x
  3. Step 3: Cross multiply
    330,036.02x = 495,053.98 × 212,454.70
  4. Step 4: Simplify right side
    330,036.02x = 105,176,543,035.93
  5. Step 5: Solve for x
    x = 105,176,543,035.93/330,036.02
  6. Step 6: Final answer
    x = 318,682.01

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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.