Home / 385,452.72-531,823.86-222,069.24

Finding the Fourth Proportional to 385,452.72, 531,823.86 and 222,069.24

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Solution

The fourth proportional to 385,452.72, 531,823.86 and 222,069.24 is: 306,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,452.72 : 531,823.86 = 222,069.24 : x
  2. Step 2: Convert to fraction form
    385,452.72/531,823.86 = 222,069.24/x
  3. Step 3: Cross multiply
    385,452.72x = 531,823.86 × 222,069.24
  4. Step 4: Simplify right side
    385,452.72x = 118,101,720,404.07
  5. Step 5: Solve for x
    x = 118,101,720,404.07/385,452.72
  6. Step 6: Final answer
    x = 306,397.42

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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.