Home / 371,848.08-557,672.49-161,436

Finding the Fourth Proportional to 371,848.08, 557,672.49 and 161,436

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Solution

The fourth proportional to 371,848.08, 557,672.49 and 161,436 is: 242,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.08 : 557,672.49 = 161,436 : x
  2. Step 2: Convert to fraction form
    371,848.08/557,672.49 = 161,436/x
  3. Step 3: Cross multiply
    371,848.08x = 557,672.49 × 161,436
  4. Step 4: Simplify right side
    371,848.08x = 90,028,416,095.64
  5. Step 5: Solve for x
    x = 90,028,416,095.64/371,848.08
  6. Step 6: Final answer
    x = 242,110.75

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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.