Home / 397,872.27-549,063.79-216,585.58

Finding the Fourth Proportional to 397,872.27, 549,063.79 and 216,585.58

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Solution

The fourth proportional to 397,872.27, 549,063.79 and 216,585.58 is: 298,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,872.27 : 549,063.79 = 216,585.58 : x
  2. Step 2: Convert to fraction form
    397,872.27/549,063.79 = 216,585.58/x
  3. Step 3: Cross multiply
    397,872.27x = 549,063.79 × 216,585.58
  4. Step 4: Simplify right side
    397,872.27x = 118,919,298,203.57
  5. Step 5: Solve for x
    x = 118,919,298,203.57/397,872.27
  6. Step 6: Final answer
    x = 298,888.13

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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.