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Finding the Fourth Proportional to 260,118.26, 358,992.34 and 146,948.30

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Solution

The fourth proportional to 260,118.26, 358,992.34 and 146,948.30 is: 202,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,118.26 : 358,992.34 = 146,948.30 : x
  2. Step 2: Convert to fraction form
    260,118.26/358,992.34 = 146,948.30/x
  3. Step 3: Cross multiply
    260,118.26x = 358,992.34 × 146,948.30
  4. Step 4: Simplify right side
    260,118.26x = 52,753,314,076.02
  5. Step 5: Solve for x
    x = 52,753,314,076.02/260,118.26
  6. Step 6: Final answer
    x = 202,805.12

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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.