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Finding the Fourth Proportional to 236,797, 326,779.86 and 130,813

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Solution

The fourth proportional to 236,797, 326,779.86 and 130,813 is: 180,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,797 : 326,779.86 = 130,813 : x
  2. Step 2: Convert to fraction form
    236,797/326,779.86 = 130,813/x
  3. Step 3: Cross multiply
    236,797x = 326,779.86 × 130,813
  4. Step 4: Simplify right side
    236,797x = 42,747,053,826.18
  5. Step 5: Solve for x
    x = 42,747,053,826.18/236,797
  6. Step 6: Final answer
    x = 180,521.94

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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.