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Finding the Fourth Proportional to 333,898.64, 500,851.80 and 120,682.74

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Solution

The fourth proportional to 333,898.64, 500,851.80 and 120,682.74 is: 181,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,898.64 : 500,851.80 = 120,682.74 : x
  2. Step 2: Convert to fraction form
    333,898.64/500,851.80 = 120,682.74/x
  3. Step 3: Cross multiply
    333,898.64x = 500,851.80 × 120,682.74
  4. Step 4: Simplify right side
    333,898.64x = 60,444,166,954.52
  5. Step 5: Solve for x
    x = 60,444,166,954.52/333,898.64
  6. Step 6: Final answer
    x = 181,025.50

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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.