Home / 345,471.55-476,853.38-218,231.89

Finding the Fourth Proportional to 345,471.55, 476,853.38 and 218,231.89

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Solution

The fourth proportional to 345,471.55, 476,853.38 and 218,231.89 is: 301,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,471.55 : 476,853.38 = 218,231.89 : x
  2. Step 2: Convert to fraction form
    345,471.55/476,853.38 = 218,231.89/x
  3. Step 3: Cross multiply
    345,471.55x = 476,853.38 × 218,231.89
  4. Step 4: Simplify right side
    345,471.55x = 104,064,612,905.37
  5. Step 5: Solve for x
    x = 104,064,612,905.37/345,471.55
  6. Step 6: Final answer
    x = 301,224.84

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1.5x scale

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.