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Finding the Fourth Proportional to 547,184.97, 820,816.67 and 210,225.65

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Solution

The fourth proportional to 547,184.97, 820,816.67 and 210,225.65 is: 315,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,184.97 : 820,816.67 = 210,225.65 : x
  2. Step 2: Convert to fraction form
    547,184.97/820,816.67 = 210,225.65/x
  3. Step 3: Cross multiply
    547,184.97x = 820,816.67 × 210,225.65
  4. Step 4: Simplify right side
    547,184.97x = 172,556,714,403.07
  5. Step 5: Solve for x
    x = 172,556,714,403.07/547,184.97
  6. Step 6: Final answer
    x = 315,353.53

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1.5x scale

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.