Home / 227,428.39-313,826.10-131,916.63

Finding the Fourth Proportional to 227,428.39, 313,826.10 and 131,916.63

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Solution

The fourth proportional to 227,428.39, 313,826.10 and 131,916.63 is: 182,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,428.39 : 313,826.10 = 131,916.63 : x
  2. Step 2: Convert to fraction form
    227,428.39/313,826.10 = 131,916.63/x
  3. Step 3: Cross multiply
    227,428.39x = 313,826.10 × 131,916.63
  4. Step 4: Simplify right side
    227,428.39x = 41,398,882,200.20
  5. Step 5: Solve for x
    x = 41,398,882,200.20/227,428.39
  6. Step 6: Final answer
    x = 182,030.41

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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.