Home / 814,235.02-1,221,362.92-215,191

Finding the Fourth Proportional to 814,235.02, 1,221,362.92 and 215,191

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Solution

The fourth proportional to 814,235.02, 1,221,362.92 and 215,191 is: 322,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,235.02 : 1,221,362.92 = 215,191 : x
  2. Step 2: Convert to fraction form
    814,235.02/1,221,362.92 = 215,191/x
  3. Step 3: Cross multiply
    814,235.02x = 1,221,362.92 × 215,191
  4. Step 4: Simplify right side
    814,235.02x = 262,826,308,117.72
  5. Step 5: Solve for x
    x = 262,826,308,117.72/814,235.02
  6. Step 6: Final answer
    x = 322,789.25

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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.