Home / 330,314.74-456,039.04-296,263.15

Finding the Fourth Proportional to 330,314.74, 456,039.04 and 296,263.15

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Solution

The fourth proportional to 330,314.74, 456,039.04 and 296,263.15 is: 409,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,314.74 : 456,039.04 = 296,263.15 : x
  2. Step 2: Convert to fraction form
    330,314.74/456,039.04 = 296,263.15/x
  3. Step 3: Cross multiply
    330,314.74x = 456,039.04 × 296,263.15
  4. Step 4: Simplify right side
    330,314.74x = 135,107,562,513.38
  5. Step 5: Solve for x
    x = 135,107,562,513.38/330,314.74
  6. Step 6: Final answer
    x = 409,026.74

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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.