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Finding the Fourth Proportional to 344,168, 516,271.44 and 122,552

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Solution

The fourth proportional to 344,168, 516,271.44 and 122,552 is: 183,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,168 : 516,271.44 = 122,552 : x
  2. Step 2: Convert to fraction form
    344,168/516,271.44 = 122,552/x
  3. Step 3: Cross multiply
    344,168x = 516,271.44 × 122,552
  4. Step 4: Simplify right side
    344,168x = 63,270,097,514.88
  5. Step 5: Solve for x
    x = 63,270,097,514.88/344,168
  6. Step 6: Final answer
    x = 183,834.92

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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.