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Finding the Fourth Proportional to 336,508.39, 504,762.80 and 99,848.98

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Solution

The fourth proportional to 336,508.39, 504,762.80 and 99,848.98 is: 149,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,508.39 : 504,762.80 = 99,848.98 : x
  2. Step 2: Convert to fraction form
    336,508.39/504,762.80 = 99,848.98/x
  3. Step 3: Cross multiply
    336,508.39x = 504,762.80 × 99,848.98
  4. Step 4: Simplify right side
    336,508.39x = 50,400,050,721.94
  5. Step 5: Solve for x
    x = 50,400,050,721.94/336,508.39
  6. Step 6: Final answer
    x = 149,773.53

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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.