Home / 326,555.18-489,536.94-116,143.82

Finding the Fourth Proportional to 326,555.18, 489,536.94 and 116,143.82

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Solution

The fourth proportional to 326,555.18, 489,536.94 and 116,143.82 is: 174,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,555.18 : 489,536.94 = 116,143.82 : x
  2. Step 2: Convert to fraction form
    326,555.18/489,536.94 = 116,143.82/x
  3. Step 3: Cross multiply
    326,555.18x = 489,536.94 × 116,143.82
  4. Step 4: Simplify right side
    326,555.18x = 56,856,690,242.71
  5. Step 5: Solve for x
    x = 56,856,690,242.71/326,555.18
  6. Step 6: Final answer
    x = 174,110.51

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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.