Home / 313,330.96-432,399.27-173,631.89

Finding the Fourth Proportional to 313,330.96, 432,399.27 and 173,631.89

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Solution

The fourth proportional to 313,330.96, 432,399.27 and 173,631.89 is: 239,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,330.96 : 432,399.27 = 173,631.89 : x
  2. Step 2: Convert to fraction form
    313,330.96/432,399.27 = 173,631.89/x
  3. Step 3: Cross multiply
    313,330.96x = 432,399.27 × 173,631.89
  4. Step 4: Simplify right side
    313,330.96x = 75,078,302,484.72
  5. Step 5: Solve for x
    x = 75,078,302,484.72/313,330.96
  6. Step 6: Final answer
    x = 239,613.42

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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.