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Finding the Fourth Proportional to 235,037.16, 351,776.12 and 214,025.76

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Solution

The fourth proportional to 235,037.16, 351,776.12 and 214,025.76 is: 320,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,037.16 : 351,776.12 = 214,025.76 : x
  2. Step 2: Convert to fraction form
    235,037.16/351,776.12 = 214,025.76/x
  3. Step 3: Cross multiply
    235,037.16x = 351,776.12 × 214,025.76
  4. Step 4: Simplify right side
    235,037.16x = 75,289,150,362.72
  5. Step 5: Solve for x
    x = 75,289,150,362.72/235,037.16
  6. Step 6: Final answer
    x = 320,328.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.