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Finding the Fourth Proportional to 297,659.26, 446,492.58 and 87,301.54

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Solution

The fourth proportional to 297,659.26, 446,492.58 and 87,301.54 is: 130,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,659.26 : 446,492.58 = 87,301.54 : x
  2. Step 2: Convert to fraction form
    297,659.26/446,492.58 = 87,301.54/x
  3. Step 3: Cross multiply
    297,659.26x = 446,492.58 × 87,301.54
  4. Step 4: Simplify right side
    297,659.26x = 38,979,489,832.57
  5. Step 5: Solve for x
    x = 38,979,489,832.57/297,659.26
  6. Step 6: Final answer
    x = 130,953.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.