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Finding the Fourth Proportional to 369,273.82, 553,689.19 and 169,343.77

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Solution

The fourth proportional to 369,273.82, 553,689.19 and 169,343.77 is: 253,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,273.82 : 553,689.19 = 169,343.77 : x
  2. Step 2: Convert to fraction form
    369,273.82/553,689.19 = 169,343.77/x
  3. Step 3: Cross multiply
    369,273.82x = 553,689.19 × 169,343.77
  4. Step 4: Simplify right side
    369,273.82x = 93,763,814,842.85
  5. Step 5: Solve for x
    x = 93,763,814,842.85/369,273.82
  6. Step 6: Final answer
    x = 253,914.06

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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.