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Finding the Fourth Proportional to 536,089.20, 804,133.80 and 142,105.20

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Solution

The fourth proportional to 536,089.20, 804,133.80 and 142,105.20 is: 213,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,089.20 : 804,133.80 = 142,105.20 : x
  2. Step 2: Convert to fraction form
    536,089.20/804,133.80 = 142,105.20/x
  3. Step 3: Cross multiply
    536,089.20x = 804,133.80 × 142,105.20
  4. Step 4: Simplify right side
    536,089.20x = 114,271,594,475.76
  5. Step 5: Solve for x
    x = 114,271,594,475.76/536,089.20
  6. Step 6: Final answer
    x = 213,157.80

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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.