Home / 548,961.40-823,520.81-169,915.42

Finding the Fourth Proportional to 548,961.40, 823,520.81 and 169,915.42

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Solution

The fourth proportional to 548,961.40, 823,520.81 and 169,915.42 is: 254,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,961.40 : 823,520.81 = 169,915.42 : x
  2. Step 2: Convert to fraction form
    548,961.40/823,520.81 = 169,915.42/x
  3. Step 3: Cross multiply
    548,961.40x = 823,520.81 × 169,915.42
  4. Step 4: Simplify right side
    548,961.40x = 139,928,884,808.31
  5. Step 5: Solve for x
    x = 139,928,884,808.31/548,961.40
  6. Step 6: Final answer
    x = 254,897.49

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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.