Home / 538,476.66-807,811.04-178,669.13

Finding the Fourth Proportional to 538,476.66, 807,811.04 and 178,669.13

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Solution

The fourth proportional to 538,476.66, 807,811.04 and 178,669.13 is: 268,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,476.66 : 807,811.04 = 178,669.13 : x
  2. Step 2: Convert to fraction form
    538,476.66/807,811.04 = 178,669.13/x
  3. Step 3: Cross multiply
    538,476.66x = 807,811.04 × 178,669.13
  4. Step 4: Simplify right side
    538,476.66x = 144,330,892,128.81
  5. Step 5: Solve for x
    x = 144,330,892,128.81/538,476.66
  6. Step 6: Final answer
    x = 268,035.56

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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.