Home / 274,511.90-378,805.76-167,070.06

Finding the Fourth Proportional to 274,511.90, 378,805.76 and 167,070.06

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Solution

The fourth proportional to 274,511.90, 378,805.76 and 167,070.06 is: 230,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,511.90 : 378,805.76 = 167,070.06 : x
  2. Step 2: Convert to fraction form
    274,511.90/378,805.76 = 167,070.06/x
  3. Step 3: Cross multiply
    274,511.90x = 378,805.76 × 167,070.06
  4. Step 4: Simplify right side
    274,511.90x = 63,287,101,051.55
  5. Step 5: Solve for x
    x = 63,287,101,051.55/274,511.90
  6. Step 6: Final answer
    x = 230,544.11

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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.