Home / 376,539.12-519,678.36-225,650.16

Finding the Fourth Proportional to 376,539.12, 519,678.36 and 225,650.16

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Solution

The fourth proportional to 376,539.12, 519,678.36 and 225,650.16 is: 311,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,539.12 : 519,678.36 = 225,650.16 : x
  2. Step 2: Convert to fraction form
    376,539.12/519,678.36 = 225,650.16/x
  3. Step 3: Cross multiply
    376,539.12x = 519,678.36 × 225,650.16
  4. Step 4: Simplify right side
    376,539.12x = 117,265,505,082.54
  5. Step 5: Solve for x
    x = 117,265,505,082.54/376,539.12
  6. Step 6: Final answer
    x = 311,429.81

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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.