Home / 245,484.31-338,779.83-136,589.25

Finding the Fourth Proportional to 245,484.31, 338,779.83 and 136,589.25

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Solution

The fourth proportional to 245,484.31, 338,779.83 and 136,589.25 is: 188,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,484.31 : 338,779.83 = 136,589.25 : x
  2. Step 2: Convert to fraction form
    245,484.31/338,779.83 = 136,589.25/x
  3. Step 3: Cross multiply
    245,484.31x = 338,779.83 × 136,589.25
  4. Step 4: Simplify right side
    245,484.31x = 46,273,682,894.83
  5. Step 5: Solve for x
    x = 46,273,682,894.83/245,484.31
  6. Step 6: Final answer
    x = 188,499.55

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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.