Home / 306,056.20-459,084.30-304,087.90

Finding the Fourth Proportional to 306,056.20, 459,084.30 and 304,087.90

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Solution

The fourth proportional to 306,056.20, 459,084.30 and 304,087.90 is: 456,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.20 : 459,084.30 = 304,087.90 : x
  2. Step 2: Convert to fraction form
    306,056.20/459,084.30 = 304,087.90/x
  3. Step 3: Cross multiply
    306,056.20x = 459,084.30 × 304,087.90
  4. Step 4: Simplify right side
    306,056.20x = 139,601,980,709.97
  5. Step 5: Solve for x
    x = 139,601,980,709.97/306,056.20
  6. Step 6: Final answer
    x = 456,131.85

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1.5x scale

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.