Home / 323,741.10-485,611.65-303,005.10

Finding the Fourth Proportional to 323,741.10, 485,611.65 and 303,005.10

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Solution

The fourth proportional to 323,741.10, 485,611.65 and 303,005.10 is: 454,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,741.10 : 485,611.65 = 303,005.10 : x
  2. Step 2: Convert to fraction form
    323,741.10/485,611.65 = 303,005.10/x
  3. Step 3: Cross multiply
    323,741.10x = 485,611.65 × 303,005.10
  4. Step 4: Simplify right side
    323,741.10x = 147,142,806,569.42
  5. Step 5: Solve for x
    x = 147,142,806,569.42/323,741.10
  6. Step 6: Final answer
    x = 454,507.65

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Similar ratio
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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.