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Finding the Fourth Proportional to 564,829.20, 847,243.80 and 190,846.80

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Solution

The fourth proportional to 564,829.20, 847,243.80 and 190,846.80 is: 286,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,829.20 : 847,243.80 = 190,846.80 : x
  2. Step 2: Convert to fraction form
    564,829.20/847,243.80 = 190,846.80/x
  3. Step 3: Cross multiply
    564,829.20x = 847,243.80 × 190,846.80
  4. Step 4: Simplify right side
    564,829.20x = 161,693,768,049.84
  5. Step 5: Solve for x
    x = 161,693,768,049.84/564,829.20
  6. Step 6: Final answer
    x = 286,270.20

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Similar ratio
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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.