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Finding the Fourth Proportional to 334,817.74, 502,237.14 and 121,628.98

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Solution

The fourth proportional to 334,817.74, 502,237.14 and 121,628.98 is: 182,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,817.74 : 502,237.14 = 121,628.98 : x
  2. Step 2: Convert to fraction form
    334,817.74/502,237.14 = 121,628.98/x
  3. Step 3: Cross multiply
    334,817.74x = 502,237.14 × 121,628.98
  4. Step 4: Simplify right side
    334,817.74x = 61,086,591,056.32
  5. Step 5: Solve for x
    x = 61,086,591,056.32/334,817.74
  6. Step 6: Final answer
    x = 182,447.30

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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.