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Finding the Fourth Proportional to 306,043.80, 459,065.70 and 106,384.37

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Solution

The fourth proportional to 306,043.80, 459,065.70 and 106,384.37 is: 159,576.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,043.80 : 459,065.70 = 106,384.37 : x
  2. Step 2: Convert to fraction form
    306,043.80/459,065.70 = 106,384.37/x
  3. Step 3: Cross multiply
    306,043.80x = 459,065.70 × 106,384.37
  4. Step 4: Simplify right side
    306,043.80x = 48,837,412,987.78
  5. Step 5: Solve for x
    x = 48,837,412,987.78/306,043.80
  6. Step 6: Final answer
    x = 159,576.55

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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.