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Finding the Fourth Proportional to 248,878.72, 343,444.08 and 141,446.88

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Solution

The fourth proportional to 248,878.72, 343,444.08 and 141,446.88 is: 195,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,878.72 : 343,444.08 = 141,446.88 : x
  2. Step 2: Convert to fraction form
    248,878.72/343,444.08 = 141,446.88/x
  3. Step 3: Cross multiply
    248,878.72x = 343,444.08 × 141,446.88
  4. Step 4: Simplify right side
    248,878.72x = 48,579,093,570.47
  5. Step 5: Solve for x
    x = 48,579,093,570.47/248,878.72
  6. Step 6: Final answer
    x = 195,191.83

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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.