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Finding the Fourth Proportional to 341,301.20, 511,260.60 and 236,238.80

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Solution

The fourth proportional to 341,301.20, 511,260.60 and 236,238.80 is: 353,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,301.20 : 511,260.60 = 236,238.80 : x
  2. Step 2: Convert to fraction form
    341,301.20/511,260.60 = 236,238.80/x
  3. Step 3: Cross multiply
    341,301.20x = 511,260.60 × 236,238.80
  4. Step 4: Simplify right side
    341,301.20x = 120,779,590,631.28
  5. Step 5: Solve for x
    x = 120,779,590,631.28/341,301.20
  6. Step 6: Final answer
    x = 353,879.77

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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.