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Finding the Fourth Proportional to 306,290.68, 459,436.04 and 95,945

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Solution

The fourth proportional to 306,290.68, 459,436.04 and 95,945 is: 143,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,290.68 : 459,436.04 = 95,945 : x
  2. Step 2: Convert to fraction form
    306,290.68/459,436.04 = 95,945/x
  3. Step 3: Cross multiply
    306,290.68x = 459,436.04 × 95,945
  4. Step 4: Simplify right side
    306,290.68x = 44,080,590,857.80
  5. Step 5: Solve for x
    x = 44,080,590,857.80/306,290.68
  6. Step 6: Final answer
    x = 143,917.51

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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.