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Finding the Fourth Proportional to 496,782.59, 745,479.16 and 197,210.75

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Solution

The fourth proportional to 496,782.59, 745,479.16 and 197,210.75 is: 295,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,782.59 : 745,479.16 = 197,210.75 : x
  2. Step 2: Convert to fraction form
    496,782.59/745,479.16 = 197,210.75/x
  3. Step 3: Cross multiply
    496,782.59x = 745,479.16 × 197,210.75
  4. Step 4: Simplify right side
    496,782.59x = 147,016,500,032.55
  5. Step 5: Solve for x
    x = 147,016,500,032.55/496,782.59
  6. Step 6: Final answer
    x = 295,937.31

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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.