Home / 306,051.20-459,076.80-193,858.10

Finding the Fourth Proportional to 306,051.20, 459,076.80 and 193,858.10

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Solution

The fourth proportional to 306,051.20, 459,076.80 and 193,858.10 is: 290,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,051.20 : 459,076.80 = 193,858.10 : x
  2. Step 2: Convert to fraction form
    306,051.20/459,076.80 = 193,858.10/x
  3. Step 3: Cross multiply
    306,051.20x = 459,076.80 × 193,858.10
  4. Step 4: Simplify right side
    306,051.20x = 88,995,756,202.08
  5. Step 5: Solve for x
    x = 88,995,756,202.08/306,051.20
  6. Step 6: Final answer
    x = 290,787.15

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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.