Home / 306,029.10-459,116.55-148,127.70

Finding the Fourth Proportional to 306,029.10, 459,116.55 and 148,127.70

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Solution

The fourth proportional to 306,029.10, 459,116.55 and 148,127.70 is: 222,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,029.10 : 459,116.55 = 148,127.70 : x
  2. Step 2: Convert to fraction form
    306,029.10/459,116.55 = 148,127.70/x
  3. Step 3: Cross multiply
    306,029.10x = 459,116.55 × 148,127.70
  4. Step 4: Simplify right side
    306,029.10x = 68,007,878,583.44
  5. Step 5: Solve for x
    x = 68,007,878,583.44/306,029.10
  6. Step 6: Final answer
    x = 222,226.84

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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.