Home / 306,351.60-459,707.22-128,844.96

Finding the Fourth Proportional to 306,351.60, 459,707.22 and 128,844.96

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Solution

The fourth proportional to 306,351.60, 459,707.22 and 128,844.96 is: 193,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,351.60 : 459,707.22 = 128,844.96 : x
  2. Step 2: Convert to fraction form
    306,351.60/459,707.22 = 128,844.96/x
  3. Step 3: Cross multiply
    306,351.60x = 459,707.22 × 128,844.96
  4. Step 4: Simplify right side
    306,351.60x = 59,230,958,372.61
  5. Step 5: Solve for x
    x = 59,230,958,372.61/306,351.60
  6. Step 6: Final answer
    x = 193,343.07

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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.