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Finding the Fourth Proportional to 243,774.34, 336,273.20 and 141,788.32

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Solution

The fourth proportional to 243,774.34, 336,273.20 and 141,788.32 is: 195,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,774.34 : 336,273.20 = 141,788.32 : x
  2. Step 2: Convert to fraction form
    243,774.34/336,273.20 = 141,788.32/x
  3. Step 3: Cross multiply
    243,774.34x = 336,273.20 × 141,788.32
  4. Step 4: Simplify right side
    243,774.34x = 47,679,611,380.08
  5. Step 5: Solve for x
    x = 47,679,611,380.08/243,774.34
  6. Step 6: Final answer
    x = 195,589.13

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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.