Home / 281,715.59-388,594.78-230,107.67

Finding the Fourth Proportional to 281,715.59, 388,594.78 and 230,107.67

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Solution

The fourth proportional to 281,715.59, 388,594.78 and 230,107.67 is: 317,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,715.59 : 388,594.78 = 230,107.67 : x
  2. Step 2: Convert to fraction form
    281,715.59/388,594.78 = 230,107.67/x
  3. Step 3: Cross multiply
    281,715.59x = 388,594.78 × 230,107.67
  4. Step 4: Simplify right side
    281,715.59x = 89,418,639,399.96
  5. Step 5: Solve for x
    x = 89,418,639,399.96/281,715.59
  6. Step 6: Final answer
    x = 317,407.49

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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.