Home / 314,815.16-434,456.64-178,872.15

Finding the Fourth Proportional to 314,815.16, 434,456.64 and 178,872.15

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Solution

The fourth proportional to 314,815.16, 434,456.64 and 178,872.15 is: 246,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,815.16 : 434,456.64 = 178,872.15 : x
  2. Step 2: Convert to fraction form
    314,815.16/434,456.64 = 178,872.15/x
  3. Step 3: Cross multiply
    314,815.16x = 434,456.64 × 178,872.15
  4. Step 4: Simplify right side
    314,815.16x = 77,712,193,278.58
  5. Step 5: Solve for x
    x = 77,712,193,278.58/314,815.16
  6. Step 6: Final answer
    x = 246,850.23

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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.