Home / 244,639.12-338,268-213,146.32

Finding the Fourth Proportional to 244,639.12, 338,268 and 213,146.32

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Solution

The fourth proportional to 244,639.12, 338,268 and 213,146.32 is: 294,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,639.12 : 338,268 = 213,146.32 : x
  2. Step 2: Convert to fraction form
    244,639.12/338,268 = 213,146.32/x
  3. Step 3: Cross multiply
    244,639.12x = 338,268 × 213,146.32
  4. Step 4: Simplify right side
    244,639.12x = 72,100,579,373.76
  5. Step 5: Solve for x
    x = 72,100,579,373.76/244,639.12
  6. Step 6: Final answer
    x = 294,722.20

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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.