Home / 274,155.23-378,348.98-153,296.15

Finding the Fourth Proportional to 274,155.23, 378,348.98 and 153,296.15

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Solution

The fourth proportional to 274,155.23, 378,348.98 and 153,296.15 is: 211,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,155.23 : 378,348.98 = 153,296.15 : x
  2. Step 2: Convert to fraction form
    274,155.23/378,348.98 = 153,296.15/x
  3. Step 3: Cross multiply
    274,155.23x = 378,348.98 × 153,296.15
  4. Step 4: Simplify right side
    274,155.23x = 57,999,439,332.20
  5. Step 5: Solve for x
    x = 57,999,439,332.20/274,155.23
  6. Step 6: Final answer
    x = 211,556.93

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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.