Home / 294,828.30-442,242.45-188,540.10

Finding the Fourth Proportional to 294,828.30, 442,242.45 and 188,540.10

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Solution

The fourth proportional to 294,828.30, 442,242.45 and 188,540.10 is: 282,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,828.30 : 442,242.45 = 188,540.10 : x
  2. Step 2: Convert to fraction form
    294,828.30/442,242.45 = 188,540.10/x
  3. Step 3: Cross multiply
    294,828.30x = 442,242.45 × 188,540.10
  4. Step 4: Simplify right side
    294,828.30x = 83,380,435,747.25
  5. Step 5: Solve for x
    x = 83,380,435,747.25/294,828.30
  6. Step 6: Final answer
    x = 282,810.15

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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.