Home / 397,834.58-549,025.62-216,561.44

Finding the Fourth Proportional to 397,834.58, 549,025.62 and 216,561.44

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Solution

The fourth proportional to 397,834.58, 549,025.62 and 216,561.44 is: 298,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,834.58 : 549,025.62 = 216,561.44 : x
  2. Step 2: Convert to fraction form
    397,834.58/549,025.62 = 216,561.44/x
  3. Step 3: Cross multiply
    397,834.58x = 549,025.62 × 216,561.44
  4. Step 4: Simplify right side
    397,834.58x = 118,897,778,864.09
  5. Step 5: Solve for x
    x = 118,897,778,864.09/397,834.58
  6. Step 6: Final answer
    x = 298,862.35

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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.