Home / 272,025.90-408,038.85-188,045.10

Finding the Fourth Proportional to 272,025.90, 408,038.85 and 188,045.10

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Solution

The fourth proportional to 272,025.90, 408,038.85 and 188,045.10 is: 282,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.90 : 408,038.85 = 188,045.10 : x
  2. Step 2: Convert to fraction form
    272,025.90/408,038.85 = 188,045.10/x
  3. Step 3: Cross multiply
    272,025.90x = 408,038.85 × 188,045.10
  4. Step 4: Simplify right side
    272,025.90x = 76,729,706,352.14
  5. Step 5: Solve for x
    x = 76,729,706,352.14/272,025.90
  6. Step 6: Final answer
    x = 282,067.65

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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.