Home / 307,031.40-459,869.04-200,568.24

Finding the Fourth Proportional to 307,031.40, 459,869.04 and 200,568.24

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Solution

The fourth proportional to 307,031.40, 459,869.04 and 200,568.24 is: 300,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,031.40 : 459,869.04 = 200,568.24 : x
  2. Step 2: Convert to fraction form
    307,031.40/459,869.04 = 200,568.24/x
  3. Step 3: Cross multiply
    307,031.40x = 459,869.04 × 200,568.24
  4. Step 4: Simplify right side
    307,031.40x = 92,235,123,983.29
  5. Step 5: Solve for x
    x = 92,235,123,983.29/307,031.40
  6. Step 6: Final answer
    x = 300,409.42

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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.