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Finding the Fourth Proportional to 414,265.60, 620,937.60 and 227,411.20

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Solution

The fourth proportional to 414,265.60, 620,937.60 and 227,411.20 is: 340,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,265.60 : 620,937.60 = 227,411.20 : x
  2. Step 2: Convert to fraction form
    414,265.60/620,937.60 = 227,411.20/x
  3. Step 3: Cross multiply
    414,265.60x = 620,937.60 × 227,411.20
  4. Step 4: Simplify right side
    414,265.60x = 141,208,164,741.12
  5. Step 5: Solve for x
    x = 141,208,164,741.12/414,265.60
  6. Step 6: Final answer
    x = 340,863.84

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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.