Home / 306,088.20-459,132.30-164,370.60

Finding the Fourth Proportional to 306,088.20, 459,132.30 and 164,370.60

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Solution

The fourth proportional to 306,088.20, 459,132.30 and 164,370.60 is: 246,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,088.20 : 459,132.30 = 164,370.60 : x
  2. Step 2: Convert to fraction form
    306,088.20/459,132.30 = 164,370.60/x
  3. Step 3: Cross multiply
    306,088.20x = 459,132.30 × 164,370.60
  4. Step 4: Simplify right side
    306,088.20x = 75,467,851,630.38
  5. Step 5: Solve for x
    x = 75,467,851,630.38/306,088.20
  6. Step 6: Final answer
    x = 246,555.90

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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.