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Finding the Fourth Proportional to 306,133.80, 459,200.70 and 303,181.35

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Solution

The fourth proportional to 306,133.80, 459,200.70 and 303,181.35 is: 454,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,133.80 : 459,200.70 = 303,181.35 : x
  2. Step 2: Convert to fraction form
    306,133.80/459,200.70 = 303,181.35/x
  3. Step 3: Cross multiply
    306,133.80x = 459,200.70 × 303,181.35
  4. Step 4: Simplify right side
    306,133.80x = 139,221,088,146.95
  5. Step 5: Solve for x
    x = 139,221,088,146.95/306,133.80
  6. Step 6: Final answer
    x = 454,772.03

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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.