Home / 306,717.06-423,288.88-185,868.92

Finding the Fourth Proportional to 306,717.06, 423,288.88 and 185,868.92

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Solution

The fourth proportional to 306,717.06, 423,288.88 and 185,868.92 is: 256,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,717.06 : 423,288.88 = 185,868.92 : x
  2. Step 2: Convert to fraction form
    306,717.06/423,288.88 = 185,868.92/x
  3. Step 3: Cross multiply
    306,717.06x = 423,288.88 × 185,868.92
  4. Step 4: Simplify right side
    306,717.06x = 78,676,246,973.61
  5. Step 5: Solve for x
    x = 78,676,246,973.61/306,717.06
  6. Step 6: Final answer
    x = 256,510.83

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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.