Home / 311,463.24-466,809.40-221,362.35

Finding the Fourth Proportional to 311,463.24, 466,809.40 and 221,362.35

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Solution

The fourth proportional to 311,463.24, 466,809.40 and 221,362.35 is: 331,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,463.24 : 466,809.40 = 221,362.35 : x
  2. Step 2: Convert to fraction form
    311,463.24/466,809.40 = 221,362.35/x
  3. Step 3: Cross multiply
    311,463.24x = 466,809.40 × 221,362.35
  4. Step 4: Simplify right side
    311,463.24x = 103,334,025,232.68
  5. Step 5: Solve for x
    x = 103,334,025,232.68/311,463.24
  6. Step 6: Final answer
    x = 331,769.57

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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.