Home / 219,066.32-302,309.34-123,604.04

Finding the Fourth Proportional to 219,066.32, 302,309.34 and 123,604.04

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Solution

The fourth proportional to 219,066.32, 302,309.34 and 123,604.04 is: 170,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,066.32 : 302,309.34 = 123,604.04 : x
  2. Step 2: Convert to fraction form
    219,066.32/302,309.34 = 123,604.04/x
  3. Step 3: Cross multiply
    219,066.32x = 302,309.34 × 123,604.04
  4. Step 4: Simplify right side
    219,066.32x = 37,366,655,753.73
  5. Step 5: Solve for x
    x = 37,366,655,753.73/219,066.32
  6. Step 6: Final answer
    x = 170,572.34

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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.