Home / 274,208.28-378,404.76-153,348.18

Finding the Fourth Proportional to 274,208.28, 378,404.76 and 153,348.18

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Solution

The fourth proportional to 274,208.28, 378,404.76 and 153,348.18 is: 211,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,208.28 : 378,404.76 = 153,348.18 : x
  2. Step 2: Convert to fraction form
    274,208.28/378,404.76 = 153,348.18/x
  3. Step 3: Cross multiply
    274,208.28x = 378,404.76 × 153,348.18
  4. Step 4: Simplify right side
    274,208.28x = 58,027,681,249.34
  5. Step 5: Solve for x
    x = 58,027,681,249.34/274,208.28
  6. Step 6: Final answer
    x = 211,619.00

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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.