Home / 253,260.06-379,779.30-120,178.29

Finding the Fourth Proportional to 253,260.06, 379,779.30 and 120,178.29

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Solution

The fourth proportional to 253,260.06, 379,779.30 and 120,178.29 is: 180,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,260.06 : 379,779.30 = 120,178.29 : x
  2. Step 2: Convert to fraction form
    253,260.06/379,779.30 = 120,178.29/x
  3. Step 3: Cross multiply
    253,260.06x = 379,779.30 × 120,178.29
  4. Step 4: Simplify right side
    253,260.06x = 45,641,226,851.40
  5. Step 5: Solve for x
    x = 45,641,226,851.40/253,260.06
  6. Step 6: Final answer
    x = 180,214.86

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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.