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Finding the Fourth Proportional to 340,413.88, 469,762.68 and 187,450.88

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Solution

The fourth proportional to 340,413.88, 469,762.68 and 187,450.88 is: 258,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,413.88 : 469,762.68 = 187,450.88 : x
  2. Step 2: Convert to fraction form
    340,413.88/469,762.68 = 187,450.88/x
  3. Step 3: Cross multiply
    340,413.88x = 469,762.68 × 187,450.88
  4. Step 4: Simplify right side
    340,413.88x = 88,057,427,757.16
  5. Step 5: Solve for x
    x = 88,057,427,757.16/340,413.88
  6. Step 6: Final answer
    x = 258,677.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.