Home / 353,748.24-488,147.91-200,789.55

Finding the Fourth Proportional to 353,748.24, 488,147.91 and 200,789.55

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Solution

The fourth proportional to 353,748.24, 488,147.91 and 200,789.55 is: 277,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,748.24 : 488,147.91 = 200,789.55 : x
  2. Step 2: Convert to fraction form
    353,748.24/488,147.91 = 200,789.55/x
  3. Step 3: Cross multiply
    353,748.24x = 488,147.91 × 200,789.55
  4. Step 4: Simplify right side
    353,748.24x = 98,014,999,182.34
  5. Step 5: Solve for x
    x = 98,014,999,182.34/353,748.24
  6. Step 6: Final answer
    x = 277,075.58

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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.