Home / 345,986.01-477,379.33-210,016.57

Finding the Fourth Proportional to 345,986.01, 477,379.33 and 210,016.57

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Solution

The fourth proportional to 345,986.01, 477,379.33 and 210,016.57 is: 289,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,986.01 : 477,379.33 = 210,016.57 : x
  2. Step 2: Convert to fraction form
    345,986.01/477,379.33 = 210,016.57/x
  3. Step 3: Cross multiply
    345,986.01x = 477,379.33 × 210,016.57
  4. Step 4: Simplify right side
    345,986.01x = 100,257,569,475.50
  5. Step 5: Solve for x
    x = 100,257,569,475.50/345,986.01
  6. Step 6: Final answer
    x = 289,773.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.