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Finding the Fourth Proportional to 290,523.08, 400,760.48 and 269,973.48

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Solution

The fourth proportional to 290,523.08, 400,760.48 and 269,973.48 is: 372,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,523.08 : 400,760.48 = 269,973.48 : x
  2. Step 2: Convert to fraction form
    290,523.08/400,760.48 = 269,973.48/x
  3. Step 3: Cross multiply
    290,523.08x = 400,760.48 × 269,973.48
  4. Step 4: Simplify right side
    290,523.08x = 108,194,701,432.07
  5. Step 5: Solve for x
    x = 108,194,701,432.07/290,523.08
  6. Step 6: Final answer
    x = 372,413.45

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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.