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Finding the Fourth Proportional to 397,849.25, 549,031.43 and 216,560.61

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Solution

The fourth proportional to 397,849.25, 549,031.43 and 216,560.61 is: 298,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,849.25 : 549,031.43 = 216,560.61 : x
  2. Step 2: Convert to fraction form
    397,849.25/549,031.43 = 216,560.61/x
  3. Step 3: Cross multiply
    397,849.25x = 549,031.43 × 216,560.61
  4. Step 4: Simplify right side
    397,849.25x = 118,898,581,931.37
  5. Step 5: Solve for x
    x = 118,898,581,931.37/397,849.25
  6. Step 6: Final answer
    x = 298,853.35

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