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Finding the Fourth Proportional to 419,751.99, 579,259.71 and 238,473.86

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Solution

The fourth proportional to 419,751.99, 579,259.71 and 238,473.86 is: 329,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,751.99 : 579,259.71 = 238,473.86 : x
  2. Step 2: Convert to fraction form
    419,751.99/579,259.71 = 238,473.86/x
  3. Step 3: Cross multiply
    419,751.99x = 579,259.71 × 238,473.86
  4. Step 4: Simplify right side
    419,751.99x = 138,138,296,089.88
  5. Step 5: Solve for x
    x = 138,138,296,089.88/419,751.99
  6. Step 6: Final answer
    x = 329,095.04

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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.