Home / 397,944.12-549,162.97-216,656.06

Finding the Fourth Proportional to 397,944.12, 549,162.97 and 216,656.06

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Solution

The fourth proportional to 397,944.12, 549,162.97 and 216,656.06 is: 298,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,944.12 : 549,162.97 = 216,656.06 : x
  2. Step 2: Convert to fraction form
    397,944.12/549,162.97 = 216,656.06/x
  3. Step 3: Cross multiply
    397,944.12x = 549,162.97 × 216,656.06
  4. Step 4: Simplify right side
    397,944.12x = 118,979,486,209.37
  5. Step 5: Solve for x
    x = 118,979,486,209.37/397,944.12
  6. Step 6: Final answer
    x = 298,985.41

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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.