Home / 397,749.60-548,884.08-216,465.12

Finding the Fourth Proportional to 397,749.60, 548,884.08 and 216,465.12

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Solution

The fourth proportional to 397,749.60, 548,884.08 and 216,465.12 is: 298,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,749.60 : 548,884.08 = 216,465.12 : x
  2. Step 2: Convert to fraction form
    397,749.60/548,884.08 = 216,465.12/x
  3. Step 3: Cross multiply
    397,749.60x = 548,884.08 × 216,465.12
  4. Step 4: Simplify right side
    397,749.60x = 118,814,258,243.29
  5. Step 5: Solve for x
    x = 118,814,258,243.29/397,749.60
  6. Step 6: Final answer
    x = 298,716.22

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1.5x scale

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.