Home / 306,948.06-423,581.94-170,981.82

Finding the Fourth Proportional to 306,948.06, 423,581.94 and 170,981.82

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Solution

The fourth proportional to 306,948.06, 423,581.94 and 170,981.82 is: 235,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,948.06 : 423,581.94 = 170,981.82 : x
  2. Step 2: Convert to fraction form
    306,948.06/423,581.94 = 170,981.82/x
  3. Step 3: Cross multiply
    306,948.06x = 423,581.94 × 170,981.82
  4. Step 4: Simplify right side
    306,948.06x = 72,424,811,020.33
  5. Step 5: Solve for x
    x = 72,424,811,020.33/306,948.06
  6. Step 6: Final answer
    x = 235,951.36

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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.