Home / 290,964.12-401,470.28-170,082.04

Finding the Fourth Proportional to 290,964.12, 401,470.28 and 170,082.04

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Solution

The fourth proportional to 290,964.12, 401,470.28 and 170,082.04 is: 234,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,964.12 : 401,470.28 = 170,082.04 : x
  2. Step 2: Convert to fraction form
    290,964.12/401,470.28 = 170,082.04/x
  3. Step 3: Cross multiply
    290,964.12x = 401,470.28 × 170,082.04
  4. Step 4: Simplify right side
    290,964.12x = 68,282,884,221.77
  5. Step 5: Solve for x
    x = 68,282,884,221.77/290,964.12
  6. Step 6: Final answer
    x = 234,678.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.