Home / 353,741.23-488,138.26-200,782.53

Finding the Fourth Proportional to 353,741.23, 488,138.26 and 200,782.53

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Solution

The fourth proportional to 353,741.23, 488,138.26 and 200,782.53 is: 277,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,741.23 : 488,138.26 = 200,782.53 : x
  2. Step 2: Convert to fraction form
    353,741.23/488,138.26 = 200,782.53/x
  3. Step 3: Cross multiply
    353,741.23x = 488,138.26 × 200,782.53
  4. Step 4: Simplify right side
    353,741.23x = 98,009,634,832.60
  5. Step 5: Solve for x
    x = 98,009,634,832.60/353,741.23
  6. Step 6: Final answer
    x = 277,065.91

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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.