Home / 547,140.24-820,267.49-210,008.72

Finding the Fourth Proportional to 547,140.24, 820,267.49 and 210,008.72

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Solution

The fourth proportional to 547,140.24, 820,267.49 and 210,008.72 is: 314,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,140.24 : 820,267.49 = 210,008.72 : x
  2. Step 2: Convert to fraction form
    547,140.24/820,267.49 = 210,008.72/x
  3. Step 3: Cross multiply
    547,140.24x = 820,267.49 × 210,008.72
  4. Step 4: Simplify right side
    547,140.24x = 172,263,328,208.20
  5. Step 5: Solve for x
    x = 172,263,328,208.20/547,140.24
  6. Step 6: Final answer
    x = 314,843.10

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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.