Home / 274,082.13-378,238.61-153,232.16

Finding the Fourth Proportional to 274,082.13, 378,238.61 and 153,232.16

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Solution

The fourth proportional to 274,082.13, 378,238.61 and 153,232.16 is: 211,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,082.13 : 378,238.61 = 153,232.16 : x
  2. Step 2: Convert to fraction form
    274,082.13/378,238.61 = 153,232.16/x
  3. Step 3: Cross multiply
    274,082.13x = 378,238.61 × 153,232.16
  4. Step 4: Simplify right side
    274,082.13x = 57,958,317,697.58
  5. Step 5: Solve for x
    x = 57,958,317,697.58/274,082.13
  6. Step 6: Final answer
    x = 211,463.32

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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.