Home / 397,849.63-549,044.87-216,573.65

Finding the Fourth Proportional to 397,849.63, 549,044.87 and 216,573.65

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Solution

The fourth proportional to 397,849.63, 549,044.87 and 216,573.65 is: 298,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,849.63 : 549,044.87 = 216,573.65 : x
  2. Step 2: Convert to fraction form
    397,849.63/549,044.87 = 216,573.65/x
  3. Step 3: Cross multiply
    397,849.63x = 549,044.87 × 216,573.65
  4. Step 4: Simplify right side
    397,849.63x = 118,908,648,764.45
  5. Step 5: Solve for x
    x = 118,908,648,764.45/397,849.63
  6. Step 6: Final answer
    x = 298,878.37

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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.