Home / 402,004.75-602,440.18-222,171.15

Finding the Fourth Proportional to 402,004.75, 602,440.18 and 222,171.15

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Solution

The fourth proportional to 402,004.75, 602,440.18 and 222,171.15 is: 332,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004.75 : 602,440.18 = 222,171.15 : x
  2. Step 2: Convert to fraction form
    402,004.75/602,440.18 = 222,171.15/x
  3. Step 3: Cross multiply
    402,004.75x = 602,440.18 × 222,171.15
  4. Step 4: Simplify right side
    402,004.75x = 133,844,830,550.24
  5. Step 5: Solve for x
    x = 133,844,830,550.24/402,004.75
  6. Step 6: Final answer
    x = 332,943.41

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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.