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Finding the Fourth Proportional to 378,270.32, 567,404.44 and 112,051.59

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Solution

The fourth proportional to 378,270.32, 567,404.44 and 112,051.59 is: 168,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,270.32 : 567,404.44 = 112,051.59 : x
  2. Step 2: Convert to fraction form
    378,270.32/567,404.44 = 112,051.59/x
  3. Step 3: Cross multiply
    378,270.32x = 567,404.44 × 112,051.59
  4. Step 4: Simplify right side
    378,270.32x = 63,578,569,675.06
  5. Step 5: Solve for x
    x = 63,578,569,675.06/378,270.32
  6. Step 6: Final answer
    x = 168,077.08

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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.