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Finding the Fourth Proportional to 378,077.55, 567,116.34 and 111,817.35

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Solution

The fourth proportional to 378,077.55, 567,116.34 and 111,817.35 is: 167,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,077.55 : 567,116.34 = 111,817.35 : x
  2. Step 2: Convert to fraction form
    378,077.55/567,116.34 = 111,817.35/x
  3. Step 3: Cross multiply
    378,077.55x = 567,116.34 × 111,817.35
  4. Step 4: Simplify right side
    378,077.55x = 63,413,446,280.50
  5. Step 5: Solve for x
    x = 63,413,446,280.50/378,077.55
  6. Step 6: Final answer
    x = 167,726.03

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1.5x scale

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.