Home / 274,357.08-378,627.45-153,491.13

Finding the Fourth Proportional to 274,357.08, 378,627.45 and 153,491.13

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Solution

The fourth proportional to 274,357.08, 378,627.45 and 153,491.13 is: 211,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,357.08 : 378,627.45 = 153,491.13 : x
  2. Step 2: Convert to fraction form
    274,357.08/378,627.45 = 153,491.13/x
  3. Step 3: Cross multiply
    274,357.08x = 378,627.45 × 153,491.13
  4. Step 4: Simplify right side
    274,357.08x = 58,115,955,149.52
  5. Step 5: Solve for x
    x = 58,115,955,149.52/274,357.08
  6. Step 6: Final answer
    x = 211,825.97

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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.