Home / 345,189.82-476,596.02-216,180.04

Finding the Fourth Proportional to 345,189.82, 476,596.02 and 216,180.04

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Solution

The fourth proportional to 345,189.82, 476,596.02 and 216,180.04 is: 298,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,189.82 : 476,596.02 = 216,180.04 : x
  2. Step 2: Convert to fraction form
    345,189.82/476,596.02 = 216,180.04/x
  3. Step 3: Cross multiply
    345,189.82x = 476,596.02 × 216,180.04
  4. Step 4: Simplify right side
    345,189.82x = 103,030,546,667.44
  5. Step 5: Solve for x
    x = 103,030,546,667.44/345,189.82
  6. Step 6: Final answer
    x = 298,475.04

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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.