Home / 296,992.35-445,868.69-255,140.19

Finding the Fourth Proportional to 296,992.35, 445,868.69 and 255,140.19

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Solution

The fourth proportional to 296,992.35, 445,868.69 and 255,140.19 is: 383,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,992.35 : 445,868.69 = 255,140.19 : x
  2. Step 2: Convert to fraction form
    296,992.35/445,868.69 = 255,140.19/x
  3. Step 3: Cross multiply
    296,992.35x = 445,868.69 × 255,140.19
  4. Step 4: Simplify right side
    296,992.35x = 113,759,021,005.95
  5. Step 5: Solve for x
    x = 113,759,021,005.95/296,992.35
  6. Step 6: Final answer
    x = 383,036.87

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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.