Home / 330,560.19-495,987.30-188,400.33

Finding the Fourth Proportional to 330,560.19, 495,987.30 and 188,400.33

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Solution

The fourth proportional to 330,560.19, 495,987.30 and 188,400.33 is: 282,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,560.19 : 495,987.30 = 188,400.33 : x
  2. Step 2: Convert to fraction form
    330,560.19/495,987.30 = 188,400.33/x
  3. Step 3: Cross multiply
    330,560.19x = 495,987.30 × 188,400.33
  4. Step 4: Simplify right side
    330,560.19x = 93,444,170,995.81
  5. Step 5: Solve for x
    x = 93,444,170,995.81/330,560.19
  6. Step 6: Final answer
    x = 282,684.29

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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.