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Finding the Fourth Proportional to 540,860.80, 811,291.20 and 166,883.20

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Solution

The fourth proportional to 540,860.80, 811,291.20 and 166,883.20 is: 250,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,860.80 : 811,291.20 = 166,883.20 : x
  2. Step 2: Convert to fraction form
    540,860.80/811,291.20 = 166,883.20/x
  3. Step 3: Cross multiply
    540,860.80x = 811,291.20 × 166,883.20
  4. Step 4: Simplify right side
    540,860.80x = 135,390,871,587.84
  5. Step 5: Solve for x
    x = 135,390,871,587.84/540,860.80
  6. Step 6: Final answer
    x = 250,324.80

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Similar ratio
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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.