Home / 392,827.66-589,275.47-108,518.13

Finding the Fourth Proportional to 392,827.66, 589,275.47 and 108,518.13

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Solution

The fourth proportional to 392,827.66, 589,275.47 and 108,518.13 is: 162,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,827.66 : 589,275.47 = 108,518.13 : x
  2. Step 2: Convert to fraction form
    392,827.66/589,275.47 = 108,518.13/x
  3. Step 3: Cross multiply
    392,827.66x = 589,275.47 × 108,518.13
  4. Step 4: Simplify right side
    392,827.66x = 63,947,072,330.57
  5. Step 5: Solve for x
    x = 63,947,072,330.57/392,827.66
  6. Step 6: Final answer
    x = 162,786.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.