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Finding the Fourth Proportional to 344,857.35, 516,814.47 and 260,548.50

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Solution

The fourth proportional to 344,857.35, 516,814.47 and 260,548.50 is: 390,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,857.35 : 516,814.47 = 260,548.50 : x
  2. Step 2: Convert to fraction form
    344,857.35/516,814.47 = 260,548.50/x
  3. Step 3: Cross multiply
    344,857.35x = 516,814.47 × 260,548.50
  4. Step 4: Simplify right side
    344,857.35x = 134,655,234,936.80
  5. Step 5: Solve for x
    x = 134,655,234,936.80/344,857.35
  6. Step 6: Final answer
    x = 390,466.48

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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.