Home / 547,143.24-820,271.99-210,011.72

Finding the Fourth Proportional to 547,143.24, 820,271.99 and 210,011.72

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Solution

The fourth proportional to 547,143.24, 820,271.99 and 210,011.72 is: 314,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,143.24 : 820,271.99 = 210,011.72 : x
  2. Step 2: Convert to fraction form
    547,143.24/820,271.99 = 210,011.72/x
  3. Step 3: Cross multiply
    547,143.24x = 820,271.99 × 210,011.72
  4. Step 4: Simplify right side
    547,143.24x = 172,266,731,487.72
  5. Step 5: Solve for x
    x = 172,266,731,487.72/547,143.24
  6. Step 6: Final answer
    x = 314,847.59

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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.