Home / 302,287.28-417,156.35-166,318.38

Finding the Fourth Proportional to 302,287.28, 417,156.35 and 166,318.38

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Solution

The fourth proportional to 302,287.28, 417,156.35 and 166,318.38 is: 229,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,287.28 : 417,156.35 = 166,318.38 : x
  2. Step 2: Convert to fraction form
    302,287.28/417,156.35 = 166,318.38/x
  3. Step 3: Cross multiply
    302,287.28x = 417,156.35 × 166,318.38
  4. Step 4: Simplify right side
    302,287.28x = 69,380,767,507.12
  5. Step 5: Solve for x
    x = 69,380,767,507.12/302,287.28
  6. Step 6: Final answer
    x = 229,519.31

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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.