Home / 309,214.64-426,527.60-204,438.22

Finding the Fourth Proportional to 309,214.64, 426,527.60 and 204,438.22

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Solution

The fourth proportional to 309,214.64, 426,527.60 and 204,438.22 is: 282,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,214.64 : 426,527.60 = 204,438.22 : x
  2. Step 2: Convert to fraction form
    309,214.64/426,527.60 = 204,438.22/x
  3. Step 3: Cross multiply
    309,214.64x = 426,527.60 × 204,438.22
  4. Step 4: Simplify right side
    309,214.64x = 87,198,541,236.36
  5. Step 5: Solve for x
    x = 87,198,541,236.36/309,214.64
  6. Step 6: Final answer
    x = 282,000.04

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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.