Home / 353,947.62-488,445.21-192,802.66

Finding the Fourth Proportional to 353,947.62, 488,445.21 and 192,802.66

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Solution

The fourth proportional to 353,947.62, 488,445.21 and 192,802.66 is: 266,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,947.62 : 488,445.21 = 192,802.66 : x
  2. Step 2: Convert to fraction form
    353,947.62/488,445.21 = 192,802.66/x
  3. Step 3: Cross multiply
    353,947.62x = 488,445.21 × 192,802.66
  4. Step 4: Simplify right side
    353,947.62x = 94,173,535,752.26
  5. Step 5: Solve for x
    x = 94,173,535,752.26/353,947.62
  6. Step 6: Final answer
    x = 266,066.31

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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.