Home / 489,097.10-733,864.36-236,279.90

Finding the Fourth Proportional to 489,097.10, 733,864.36 and 236,279.90

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Solution

The fourth proportional to 489,097.10, 733,864.36 and 236,279.90 is: 354,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,097.10 : 733,864.36 = 236,279.90 : x
  2. Step 2: Convert to fraction form
    489,097.10/733,864.36 = 236,279.90/x
  3. Step 3: Cross multiply
    489,097.10x = 733,864.36 × 236,279.90
  4. Step 4: Simplify right side
    489,097.10x = 173,397,397,594.36
  5. Step 5: Solve for x
    x = 173,397,397,594.36/489,097.10
  6. Step 6: Final answer
    x = 354,525.51

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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.