Home / 281,520.23-388,462.42-224,304.53

Finding the Fourth Proportional to 281,520.23, 388,462.42 and 224,304.53

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Solution

The fourth proportional to 281,520.23, 388,462.42 and 224,304.53 is: 309,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,520.23 : 388,462.42 = 224,304.53 : x
  2. Step 2: Convert to fraction form
    281,520.23/388,462.42 = 224,304.53/x
  3. Step 3: Cross multiply
    281,520.23x = 388,462.42 × 224,304.53
  4. Step 4: Simplify right side
    281,520.23x = 87,133,880,951.16
  5. Step 5: Solve for x
    x = 87,133,880,951.16/281,520.23
  6. Step 6: Final answer
    x = 309,511.97

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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.