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Finding the Fourth Proportional to 253,582.68, 349,941 and 138,860.04

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Solution

The fourth proportional to 253,582.68, 349,941 and 138,860.04 is: 191,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,582.68 : 349,941 = 138,860.04 : x
  2. Step 2: Convert to fraction form
    253,582.68/349,941 = 138,860.04/x
  3. Step 3: Cross multiply
    253,582.68x = 349,941 × 138,860.04
  4. Step 4: Simplify right side
    253,582.68x = 48,592,821,257.64
  5. Step 5: Solve for x
    x = 48,592,821,257.64/253,582.68
  6. Step 6: Final answer
    x = 191,625.16

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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.