Home / 306,114.08-459,170.46-81,474.50

Finding the Fourth Proportional to 306,114.08, 459,170.46 and 81,474.50

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Solution

The fourth proportional to 306,114.08, 459,170.46 and 81,474.50 is: 122,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,114.08 : 459,170.46 = 81,474.50 : x
  2. Step 2: Convert to fraction form
    306,114.08/459,170.46 = 81,474.50/x
  3. Step 3: Cross multiply
    306,114.08x = 459,170.46 × 81,474.50
  4. Step 4: Simplify right side
    306,114.08x = 37,410,683,643.27
  5. Step 5: Solve for x
    x = 37,410,683,643.27/306,114.08
  6. Step 6: Final answer
    x = 122,211.57

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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.