Home / 274,488.32-378,493.08-178,817.60

Finding the Fourth Proportional to 274,488.32, 378,493.08 and 178,817.60

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Solution

The fourth proportional to 274,488.32, 378,493.08 and 178,817.60 is: 246,572.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,488.32 : 378,493.08 = 178,817.60 : x
  2. Step 2: Convert to fraction form
    274,488.32/378,493.08 = 178,817.60/x
  3. Step 3: Cross multiply
    274,488.32x = 378,493.08 × 178,817.60
  4. Step 4: Simplify right side
    274,488.32x = 67,681,224,182.21
  5. Step 5: Solve for x
    x = 67,681,224,182.21/274,488.32
  6. Step 6: Final answer
    x = 246,572.33

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1.5x scale

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.