Home / 330,313.74-456,037.66-296,262.15

Finding the Fourth Proportional to 330,313.74, 456,037.66 and 296,262.15

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Solution

The fourth proportional to 330,313.74, 456,037.66 and 296,262.15 is: 409,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,313.74 : 456,037.66 = 296,262.15 : x
  2. Step 2: Convert to fraction form
    330,313.74/456,037.66 = 296,262.15/x
  3. Step 3: Cross multiply
    330,313.74x = 456,037.66 × 296,262.15
  4. Step 4: Simplify right side
    330,313.74x = 135,106,697,632.57
  5. Step 5: Solve for x
    x = 135,106,697,632.57/330,313.74
  6. Step 6: Final answer
    x = 409,025.36

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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.