Home / 219,311.49-302,632.97-123,827.61

Finding the Fourth Proportional to 219,311.49, 302,632.97 and 123,827.61

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Solution

The fourth proportional to 219,311.49, 302,632.97 and 123,827.61 is: 170,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,311.49 : 302,632.97 = 123,827.61 : x
  2. Step 2: Convert to fraction form
    219,311.49/302,632.97 = 123,827.61/x
  3. Step 3: Cross multiply
    219,311.49x = 302,632.97 × 123,827.61
  4. Step 4: Simplify right side
    219,311.49x = 37,474,316,763.16
  5. Step 5: Solve for x
    x = 37,474,316,763.16/219,311.49
  6. Step 6: Final answer
    x = 170,872.56

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1.5x scale

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.