Home / 392,837.75-589,550.10-266,177.64

Finding the Fourth Proportional to 392,837.75, 589,550.10 and 266,177.64

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Solution

The fourth proportional to 392,837.75, 589,550.10 and 266,177.64 is: 399,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,837.75 : 589,550.10 = 266,177.64 : x
  2. Step 2: Convert to fraction form
    392,837.75/589,550.10 = 266,177.64/x
  3. Step 3: Cross multiply
    392,837.75x = 589,550.10 × 266,177.64
  4. Step 4: Simplify right side
    392,837.75x = 156,925,055,492.41
  5. Step 5: Solve for x
    x = 156,925,055,492.41/392,837.75
  6. Step 6: Final answer
    x = 399,465.32

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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.