Home / 402,005.75-602,441.68-222,172.15

Finding the Fourth Proportional to 402,005.75, 602,441.68 and 222,172.15

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Solution

The fourth proportional to 402,005.75, 602,441.68 and 222,172.15 is: 332,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,005.75 : 602,441.68 = 222,172.15 : x
  2. Step 2: Convert to fraction form
    402,005.75/602,441.68 = 222,172.15/x
  3. Step 3: Cross multiply
    402,005.75x = 602,441.68 × 222,172.15
  4. Step 4: Simplify right side
    402,005.75x = 133,845,763,295.21
  5. Step 5: Solve for x
    x = 133,845,763,295.21/402,005.75
  6. Step 6: Final answer
    x = 332,944.90

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1.5x scale

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.