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Finding the Fourth Proportional to 252,349.02, 378,413.64 and 72,394.74

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Solution

The fourth proportional to 252,349.02, 378,413.64 and 72,394.74 is: 108,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,349.02 : 378,413.64 = 72,394.74 : x
  2. Step 2: Convert to fraction form
    252,349.02/378,413.64 = 72,394.74/x
  3. Step 3: Cross multiply
    252,349.02x = 378,413.64 × 72,394.74
  4. Step 4: Simplify right side
    252,349.02x = 27,395,157,080.25
  5. Step 5: Solve for x
    x = 27,395,157,080.25/252,349.02
  6. Step 6: Final answer
    x = 108,560.58

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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.