Home / 548,394-822,285.38-169,207.08

Finding the Fourth Proportional to 548,394, 822,285.38 and 169,207.08

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Solution

The fourth proportional to 548,394, 822,285.38 and 169,207.08 is: 253,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,394 : 822,285.38 = 169,207.08 : x
  2. Step 2: Convert to fraction form
    548,394/822,285.38 = 169,207.08/x
  3. Step 3: Cross multiply
    548,394x = 822,285.38 × 169,207.08
  4. Step 4: Simplify right side
    548,394x = 139,136,508,076.49
  5. Step 5: Solve for x
    x = 139,136,508,076.49/548,394
  6. Step 6: Final answer
    x = 253,716.32

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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.