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Finding the Fourth Proportional to 306,002.60, 459,003.90 and 271,885.40

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Solution

The fourth proportional to 306,002.60, 459,003.90 and 271,885.40 is: 407,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,002.60 : 459,003.90 = 271,885.40 : x
  2. Step 2: Convert to fraction form
    306,002.60/459,003.90 = 271,885.40/x
  3. Step 3: Cross multiply
    306,002.60x = 459,003.90 × 271,885.40
  4. Step 4: Simplify right side
    306,002.60x = 124,796,458,953.06
  5. Step 5: Solve for x
    x = 124,796,458,953.06/306,002.60
  6. Step 6: Final answer
    x = 407,828.10

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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.