Home / 380,865.48-571,370.52-153,178.56

Finding the Fourth Proportional to 380,865.48, 571,370.52 and 153,178.56

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Solution

The fourth proportional to 380,865.48, 571,370.52 and 153,178.56 is: 229,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,865.48 : 571,370.52 = 153,178.56 : x
  2. Step 2: Convert to fraction form
    380,865.48/571,370.52 = 153,178.56/x
  3. Step 3: Cross multiply
    380,865.48x = 571,370.52 × 153,178.56
  4. Step 4: Simplify right side
    380,865.48x = 87,521,713,480.05
  5. Step 5: Solve for x
    x = 87,521,713,480.05/380,865.48
  6. Step 6: Final answer
    x = 229,796.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.