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Finding the Fourth Proportional to 548,244.56, 822,358.20 and 174,262.16

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Solution

The fourth proportional to 548,244.56, 822,358.20 and 174,262.16 is: 261,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,244.56 : 822,358.20 = 174,262.16 : x
  2. Step 2: Convert to fraction form
    548,244.56/822,358.20 = 174,262.16/x
  3. Step 3: Cross multiply
    548,244.56x = 822,358.20 × 174,262.16
  4. Step 4: Simplify right side
    548,244.56x = 143,305,916,225.71
  5. Step 5: Solve for x
    x = 143,305,916,225.71/548,244.56
  6. Step 6: Final answer
    x = 261,390.49

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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.