Home / 306,621.32-459,384.78-166,290.44

Finding the Fourth Proportional to 306,621.32, 459,384.78 and 166,290.44

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Solution

The fourth proportional to 306,621.32, 459,384.78 and 166,290.44 is: 249,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,621.32 : 459,384.78 = 166,290.44 : x
  2. Step 2: Convert to fraction form
    306,621.32/459,384.78 = 166,290.44/x
  3. Step 3: Cross multiply
    306,621.32x = 459,384.78 × 166,290.44
  4. Step 4: Simplify right side
    306,621.32x = 76,391,297,195.50
  5. Step 5: Solve for x
    x = 76,391,297,195.50/306,621.32
  6. Step 6: Final answer
    x = 249,138.90

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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.