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Finding the Fourth Proportional to 400,313.57, 600,376.01 and 147,456.74

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Solution

The fourth proportional to 400,313.57, 600,376.01 and 147,456.74 is: 221,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,313.57 : 600,376.01 = 147,456.74 : x
  2. Step 2: Convert to fraction form
    400,313.57/600,376.01 = 147,456.74/x
  3. Step 3: Cross multiply
    400,313.57x = 600,376.01 × 147,456.74
  4. Step 4: Simplify right side
    400,313.57x = 88,529,485,469.64
  5. Step 5: Solve for x
    x = 88,529,485,469.64/400,313.57
  6. Step 6: Final answer
    x = 221,150.35

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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.