Home / 331,520.90-457,482.93-188,262.02

Finding the Fourth Proportional to 331,520.90, 457,482.93 and 188,262.02

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Solution

The fourth proportional to 331,520.90, 457,482.93 and 188,262.02 is: 259,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,520.90 : 457,482.93 = 188,262.02 : x
  2. Step 2: Convert to fraction form
    331,520.90/457,482.93 = 188,262.02/x
  3. Step 3: Cross multiply
    331,520.90x = 457,482.93 × 188,262.02
  4. Step 4: Simplify right side
    331,520.90x = 86,126,660,517.32
  5. Step 5: Solve for x
    x = 86,126,660,517.32/331,520.90
  6. Step 6: Final answer
    x = 259,792.55

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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.