Home / 226,418.29-312,457.49-124,443.72

Finding the Fourth Proportional to 226,418.29, 312,457.49 and 124,443.72

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Solution

The fourth proportional to 226,418.29, 312,457.49 and 124,443.72 is: 171,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,418.29 : 312,457.49 = 124,443.72 : x
  2. Step 2: Convert to fraction form
    226,418.29/312,457.49 = 124,443.72/x
  3. Step 3: Cross multiply
    226,418.29x = 312,457.49 × 124,443.72
  4. Step 4: Simplify right side
    226,418.29x = 38,883,371,188.12
  5. Step 5: Solve for x
    x = 38,883,371,188.12/226,418.29
  6. Step 6: Final answer
    x = 171,732.47

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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.