Home / 360,815.08-497,912.55-199,676.92

Finding the Fourth Proportional to 360,815.08, 497,912.55 and 199,676.92

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Solution

The fourth proportional to 360,815.08, 497,912.55 and 199,676.92 is: 275,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,815.08 : 497,912.55 = 199,676.92 : x
  2. Step 2: Convert to fraction form
    360,815.08/497,912.55 = 199,676.92/x
  3. Step 3: Cross multiply
    360,815.08x = 497,912.55 × 199,676.92
  4. Step 4: Simplify right side
    360,815.08x = 99,421,644,413.35
  5. Step 5: Solve for x
    x = 99,421,644,413.35/360,815.08
  6. Step 6: Final answer
    x = 275,547.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.