Home / 326,865.70-451,263.72-213,885.28

Finding the Fourth Proportional to 326,865.70, 451,263.72 and 213,885.28

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Solution

The fourth proportional to 326,865.70, 451,263.72 and 213,885.28 is: 295,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,865.70 : 451,263.72 = 213,885.28 : x
  2. Step 2: Convert to fraction form
    326,865.70/451,263.72 = 213,885.28/x
  3. Step 3: Cross multiply
    326,865.70x = 451,263.72 × 213,885.28
  4. Step 4: Simplify right side
    326,865.70x = 96,518,667,106.04
  5. Step 5: Solve for x
    x = 96,518,667,106.04/326,865.70
  6. Step 6: Final answer
    x = 295,285.39

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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.