Home / 274,367.27-378,641.56-153,501.37

Finding the Fourth Proportional to 274,367.27, 378,641.56 and 153,501.37

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Solution

The fourth proportional to 274,367.27, 378,641.56 and 153,501.37 is: 211,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,367.27 : 378,641.56 = 153,501.37 : x
  2. Step 2: Convert to fraction form
    274,367.27/378,641.56 = 153,501.37/x
  3. Step 3: Cross multiply
    274,367.27x = 378,641.56 × 153,501.37
  4. Step 4: Simplify right side
    274,367.27x = 58,121,996,305.73
  5. Step 5: Solve for x
    x = 58,121,996,305.73/274,367.27
  6. Step 6: Final answer
    x = 211,840.12

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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.