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Finding the Fourth Proportional to 311,054.30, 466,581.45 and 305,870.30

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Solution

The fourth proportional to 311,054.30, 466,581.45 and 305,870.30 is: 458,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,054.30 : 466,581.45 = 305,870.30 : x
  2. Step 2: Convert to fraction form
    311,054.30/466,581.45 = 305,870.30/x
  3. Step 3: Cross multiply
    311,054.30x = 466,581.45 × 305,870.30
  4. Step 4: Simplify right side
    311,054.30x = 142,713,408,085.94
  5. Step 5: Solve for x
    x = 142,713,408,085.94/311,054.30
  6. Step 6: Final answer
    x = 458,805.45

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Similar ratio
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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.