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Finding the Fourth Proportional to 248,043.30, 372,066.59 and 79,589.22

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Solution

The fourth proportional to 248,043.30, 372,066.59 and 79,589.22 is: 119,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,043.30 : 372,066.59 = 79,589.22 : x
  2. Step 2: Convert to fraction form
    248,043.30/372,066.59 = 79,589.22/x
  3. Step 3: Cross multiply
    248,043.30x = 372,066.59 × 79,589.22
  4. Step 4: Simplify right side
    248,043.30x = 29,612,489,686.16
  5. Step 5: Solve for x
    x = 29,612,489,686.16/248,043.30
  6. Step 6: Final answer
    x = 119,384.36

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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.