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Finding the Fourth Proportional to 306,100.35, 459,150.53 and 221,463.45

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Solution

The fourth proportional to 306,100.35, 459,150.53 and 221,463.45 is: 332,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,100.35 : 459,150.53 = 221,463.45 : x
  2. Step 2: Convert to fraction form
    306,100.35/459,150.53 = 221,463.45/x
  3. Step 3: Cross multiply
    306,100.35x = 459,150.53 × 221,463.45
  4. Step 4: Simplify right side
    306,100.35x = 101,685,059,335.81
  5. Step 5: Solve for x
    x = 101,685,059,335.81/306,100.35
  6. Step 6: Final answer
    x = 332,195.18

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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.