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Finding the Fourth Proportional to 243,077.40, 364,616.10 and 231,413.40

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Solution

The fourth proportional to 243,077.40, 364,616.10 and 231,413.40 is: 347,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,077.40 : 364,616.10 = 231,413.40 : x
  2. Step 2: Convert to fraction form
    243,077.40/364,616.10 = 231,413.40/x
  3. Step 3: Cross multiply
    243,077.40x = 364,616.10 × 231,413.40
  4. Step 4: Simplify right side
    243,077.40x = 84,377,051,395.74
  5. Step 5: Solve for x
    x = 84,377,051,395.74/243,077.40
  6. Step 6: Final answer
    x = 347,120.10

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1.5x scale

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.