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Finding the Fourth Proportional to 557,587.98, 836,413.56 and 158,197.37

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Solution

The fourth proportional to 557,587.98, 836,413.56 and 158,197.37 is: 237,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,587.98 : 836,413.56 = 158,197.37 : x
  2. Step 2: Convert to fraction form
    557,587.98/836,413.56 = 158,197.37/x
  3. Step 3: Cross multiply
    557,587.98x = 836,413.56 × 158,197.37
  4. Step 4: Simplify right side
    557,587.98x = 132,318,421,242.27
  5. Step 5: Solve for x
    x = 132,318,421,242.27/557,587.98
  6. Step 6: Final answer
    x = 237,305.01

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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.