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Finding the Fourth Proportional to 311,433.65, 465,443.88 and 227,370.84

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Solution

The fourth proportional to 311,433.65, 465,443.88 and 227,370.84 is: 339,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,433.65 : 465,443.88 = 227,370.84 : x
  2. Step 2: Convert to fraction form
    311,433.65/465,443.88 = 227,370.84/x
  3. Step 3: Cross multiply
    311,433.65x = 465,443.88 × 227,370.84
  4. Step 4: Simplify right side
    311,433.65x = 105,828,363,370.40
  5. Step 5: Solve for x
    x = 105,828,363,370.40/311,433.65
  6. Step 6: Final answer
    x = 339,810.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.