Home / 397,849.88-549,045.22-216,573.89

Finding the Fourth Proportional to 397,849.88, 549,045.22 and 216,573.89

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Solution

The fourth proportional to 397,849.88, 549,045.22 and 216,573.89 is: 298,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,849.88 : 549,045.22 = 216,573.89 : x
  2. Step 2: Convert to fraction form
    397,849.88/549,045.22 = 216,573.89/x
  3. Step 3: Cross multiply
    397,849.88x = 549,045.22 × 216,573.89
  4. Step 4: Simplify right side
    397,849.88x = 118,908,859,912.48
  5. Step 5: Solve for x
    x = 118,908,859,912.48/397,849.88
  6. Step 6: Final answer
    x = 298,878.71

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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.