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Finding the Fourth Proportional to 364,627.98, 546,872.70 and 154,413.54

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Solution

The fourth proportional to 364,627.98, 546,872.70 and 154,413.54 is: 231,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,627.98 : 546,872.70 = 154,413.54 : x
  2. Step 2: Convert to fraction form
    364,627.98/546,872.70 = 154,413.54/x
  3. Step 3: Cross multiply
    364,627.98x = 546,872.70 × 154,413.54
  4. Step 4: Simplify right side
    364,627.98x = 84,444,549,536.36
  5. Step 5: Solve for x
    x = 84,444,549,536.36/364,627.98
  6. Step 6: Final answer
    x = 231,590.98

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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.