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Finding the Fourth Proportional to 547,480.35, 821,222.47 and 168,398.53

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Solution

The fourth proportional to 547,480.35, 821,222.47 and 168,398.53 is: 252,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,480.35 : 821,222.47 = 168,398.53 : x
  2. Step 2: Convert to fraction form
    547,480.35/821,222.47 = 168,398.53/x
  3. Step 3: Cross multiply
    547,480.35x = 821,222.47 × 168,398.53
  4. Step 4: Simplify right side
    547,480.35x = 138,292,654,908.41
  5. Step 5: Solve for x
    x = 138,292,654,908.41/547,480.35
  6. Step 6: Final answer
    x = 252,598.39

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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.