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Finding the Fourth Proportional to 260,037, 358,853.22 and 140,805

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Solution

The fourth proportional to 260,037, 358,853.22 and 140,805 is: 194,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,037 : 358,853.22 = 140,805 : x
  2. Step 2: Convert to fraction form
    260,037/358,853.22 = 140,805/x
  3. Step 3: Cross multiply
    260,037x = 358,853.22 × 140,805
  4. Step 4: Simplify right side
    260,037x = 50,528,327,642.10
  5. Step 5: Solve for x
    x = 50,528,327,642.10/260,037
  6. Step 6: Final answer
    x = 194,312.07

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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.