Home / 206,799.30-310,256.55-101,621.70

Finding the Fourth Proportional to 206,799.30, 310,256.55 and 101,621.70

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Solution

The fourth proportional to 206,799.30, 310,256.55 and 101,621.70 is: 152,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,799.30 : 310,256.55 = 101,621.70 : x
  2. Step 2: Convert to fraction form
    206,799.30/310,256.55 = 101,621.70/x
  3. Step 3: Cross multiply
    206,799.30x = 310,256.55 × 101,621.70
  4. Step 4: Simplify right side
    206,799.30x = 31,528,798,047.14
  5. Step 5: Solve for x
    x = 31,528,798,047.14/206,799.30
  6. Step 6: Final answer
    x = 152,460.85

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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.