Home / 648,960.69-972,373.52-222,261.21

Finding the Fourth Proportional to 648,960.69, 972,373.52 and 222,261.21

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Solution

The fourth proportional to 648,960.69, 972,373.52 and 222,261.21 is: 333,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,960.69 : 972,373.52 = 222,261.21 : x
  2. Step 2: Convert to fraction form
    648,960.69/972,373.52 = 222,261.21/x
  3. Step 3: Cross multiply
    648,960.69x = 972,373.52 × 222,261.21
  4. Step 4: Simplify right side
    648,960.69x = 216,120,914,015.85
  5. Step 5: Solve for x
    x = 216,120,914,015.85/648,960.69
  6. Step 6: Final answer
    x = 333,026.20

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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.