Home / 380,288.70-524,633.67-229,301.82

Finding the Fourth Proportional to 380,288.70, 524,633.67 and 229,301.82

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Solution

The fourth proportional to 380,288.70, 524,633.67 and 229,301.82 is: 316,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,288.70 : 524,633.67 = 229,301.82 : x
  2. Step 2: Convert to fraction form
    380,288.70/524,633.67 = 229,301.82/x
  3. Step 3: Cross multiply
    380,288.70x = 524,633.67 × 229,301.82
  4. Step 4: Simplify right side
    380,288.70x = 120,299,455,364.28
  5. Step 5: Solve for x
    x = 120,299,455,364.28/380,288.70
  6. Step 6: Final answer
    x = 316,337.18

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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.