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Finding the Fourth Proportional to 402,798.86, 604,198.29 and 191,797.10

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Solution

The fourth proportional to 402,798.86, 604,198.29 and 191,797.10 is: 287,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,798.86 : 604,198.29 = 191,797.10 : x
  2. Step 2: Convert to fraction form
    402,798.86/604,198.29 = 191,797.10/x
  3. Step 3: Cross multiply
    402,798.86x = 604,198.29 × 191,797.10
  4. Step 4: Simplify right side
    402,798.86x = 115,883,478,732.09
  5. Step 5: Solve for x
    x = 115,883,478,732.09/402,798.86
  6. Step 6: Final answer
    x = 287,695.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.