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Finding the Fourth Proportional to 355,910.04, 491,152.19 and 202,973.13

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Solution

The fourth proportional to 355,910.04, 491,152.19 and 202,973.13 is: 280,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,910.04 : 491,152.19 = 202,973.13 : x
  2. Step 2: Convert to fraction form
    355,910.04/491,152.19 = 202,973.13/x
  3. Step 3: Cross multiply
    355,910.04x = 491,152.19 × 202,973.13
  4. Step 4: Simplify right side
    355,910.04x = 99,690,696,295.79
  5. Step 5: Solve for x
    x = 99,690,696,295.79/355,910.04
  6. Step 6: Final answer
    x = 280,100.83

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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.