Home / 397,182.08-595,437.78-172,372.52

Finding the Fourth Proportional to 397,182.08, 595,437.78 and 172,372.52

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Solution

The fourth proportional to 397,182.08, 595,437.78 and 172,372.52 is: 258,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,182.08 : 595,437.78 = 172,372.52 : x
  2. Step 2: Convert to fraction form
    397,182.08/595,437.78 = 172,372.52/x
  3. Step 3: Cross multiply
    397,182.08x = 595,437.78 × 172,372.52
  4. Step 4: Simplify right side
    397,182.08x = 102,637,110,641.81
  5. Step 5: Solve for x
    x = 102,637,110,641.81/397,182.08
  6. Step 6: Final answer
    x = 258,413.25

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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.