Home / 317,074.40-437,236.08-221,546.24

Finding the Fourth Proportional to 317,074.40, 437,236.08 and 221,546.24

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Solution

The fourth proportional to 317,074.40, 437,236.08 and 221,546.24 is: 305,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,074.40 : 437,236.08 = 221,546.24 : x
  2. Step 2: Convert to fraction form
    317,074.40/437,236.08 = 221,546.24/x
  3. Step 3: Cross multiply
    317,074.40x = 437,236.08 × 221,546.24
  4. Step 4: Simplify right side
    317,074.40x = 96,868,009,516.34
  5. Step 5: Solve for x
    x = 96,868,009,516.34/317,074.40
  6. Step 6: Final answer
    x = 305,505.61

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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.