Home / 547,494-821,243.04-168,412.20

Finding the Fourth Proportional to 547,494, 821,243.04 and 168,412.20

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Solution

The fourth proportional to 547,494, 821,243.04 and 168,412.20 is: 252,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,494 : 821,243.04 = 168,412.20 : x
  2. Step 2: Convert to fraction form
    547,494/821,243.04 = 168,412.20/x
  3. Step 3: Cross multiply
    547,494x = 821,243.04 × 168,412.20
  4. Step 4: Simplify right side
    547,494x = 138,307,347,101.09
  5. Step 5: Solve for x
    x = 138,307,347,101.09/547,494
  6. Step 6: Final answer
    x = 252,618.93

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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.