Home / 438,950.35-658,478.27-154,582.12

Finding the Fourth Proportional to 438,950.35, 658,478.27 and 154,582.12

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Solution

The fourth proportional to 438,950.35, 658,478.27 and 154,582.12 is: 231,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,950.35 : 658,478.27 = 154,582.12 : x
  2. Step 2: Convert to fraction form
    438,950.35/658,478.27 = 154,582.12/x
  3. Step 3: Cross multiply
    438,950.35x = 658,478.27 × 154,582.12
  4. Step 4: Simplify right side
    438,950.35x = 101,788,965,690.79
  5. Step 5: Solve for x
    x = 101,788,965,690.79/438,950.35
  6. Step 6: Final answer
    x = 231,891.75

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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.