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Finding the Fourth Proportional to 344,952, 517,430.34 and 131,662.40

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Solution

The fourth proportional to 344,952, 517,430.34 and 131,662.40 is: 197,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,952 : 517,430.34 = 131,662.40 : x
  2. Step 2: Convert to fraction form
    344,952/517,430.34 = 131,662.40/x
  3. Step 3: Cross multiply
    344,952x = 517,430.34 × 131,662.40
  4. Step 4: Simplify right side
    344,952x = 68,126,117,810.06
  5. Step 5: Solve for x
    x = 68,126,117,810.06/344,952
  6. Step 6: Final answer
    x = 197,494.49

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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.