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Finding the Fourth Proportional to 353,772.35, 488,199.52 and 192,624.47

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Solution

The fourth proportional to 353,772.35, 488,199.52 and 192,624.47 is: 265,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,772.35 : 488,199.52 = 192,624.47 : x
  2. Step 2: Convert to fraction form
    353,772.35/488,199.52 = 192,624.47/x
  3. Step 3: Cross multiply
    353,772.35x = 488,199.52 × 192,624.47
  4. Step 4: Simplify right side
    353,772.35x = 94,039,173,794.25
  5. Step 5: Solve for x
    x = 94,039,173,794.25/353,772.35
  6. Step 6: Final answer
    x = 265,818.33

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1.5x scale

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.