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Finding the Fourth Proportional to 536,508.48, 804,887.28 and 157,413.92

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Solution

The fourth proportional to 536,508.48, 804,887.28 and 157,413.92 is: 236,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,508.48 : 804,887.28 = 157,413.92 : x
  2. Step 2: Convert to fraction form
    536,508.48/804,887.28 = 157,413.92/x
  3. Step 3: Cross multiply
    536,508.48x = 804,887.28 × 157,413.92
  4. Step 4: Simplify right side
    536,508.48x = 126,700,461,902.94
  5. Step 5: Solve for x
    x = 126,700,461,902.94/536,508.48
  6. Step 6: Final answer
    x = 236,157.43

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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.