Home / 314,857.35-434,503.26-178,891.47

Finding the Fourth Proportional to 314,857.35, 434,503.26 and 178,891.47

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Solution

The fourth proportional to 314,857.35, 434,503.26 and 178,891.47 is: 246,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,857.35 : 434,503.26 = 178,891.47 : x
  2. Step 2: Convert to fraction form
    314,857.35/434,503.26 = 178,891.47/x
  3. Step 3: Cross multiply
    314,857.35x = 434,503.26 × 178,891.47
  4. Step 4: Simplify right side
    314,857.35x = 77,728,928,434.68
  5. Step 5: Solve for x
    x = 77,728,928,434.68/314,857.35
  6. Step 6: Final answer
    x = 246,870.30

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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.