Home / 258,917.09-357,298.33-144,195.69

Finding the Fourth Proportional to 258,917.09, 357,298.33 and 144,195.69

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Solution

The fourth proportional to 258,917.09, 357,298.33 and 144,195.69 is: 198,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,917.09 : 357,298.33 = 144,195.69 : x
  2. Step 2: Convert to fraction form
    258,917.09/357,298.33 = 144,195.69/x
  3. Step 3: Cross multiply
    258,917.09x = 357,298.33 × 144,195.69
  4. Step 4: Simplify right side
    258,917.09x = 51,520,879,230.20
  5. Step 5: Solve for x
    x = 51,520,879,230.20/258,917.09
  6. Step 6: Final answer
    x = 198,986.01

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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.