Home / 208,315.30-312,035.55-173,323.30

Finding the Fourth Proportional to 208,315.30, 312,035.55 and 173,323.30

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Solution

The fourth proportional to 208,315.30, 312,035.55 and 173,323.30 is: 259,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,315.30 : 312,035.55 = 173,323.30 : x
  2. Step 2: Convert to fraction form
    208,315.30/312,035.55 = 173,323.30/x
  3. Step 3: Cross multiply
    208,315.30x = 312,035.55 × 173,323.30
  4. Step 4: Simplify right side
    208,315.30x = 54,083,031,243.32
  5. Step 5: Solve for x
    x = 54,083,031,243.32/208,315.30
  6. Step 6: Final answer
    x = 259,621.02

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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.