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Finding the Fourth Proportional to 344,466.60, 516,711.56 and 119,828.98

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Solution

The fourth proportional to 344,466.60, 516,711.56 and 119,828.98 is: 179,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,466.60 : 516,711.56 = 119,828.98 : x
  2. Step 2: Convert to fraction form
    344,466.60/516,711.56 = 119,828.98/x
  3. Step 3: Cross multiply
    344,466.60x = 516,711.56 × 119,828.98
  4. Step 4: Simplify right side
    344,466.60x = 61,917,017,782.50
  5. Step 5: Solve for x
    x = 61,917,017,782.50/344,466.60
  6. Step 6: Final answer
    x = 179,747.52

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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.