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Finding the Fourth Proportional to 361,529.58, 498,651.74 and 238,879.89

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Solution

The fourth proportional to 361,529.58, 498,651.74 and 238,879.89 is: 329,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,529.58 : 498,651.74 = 238,879.89 : x
  2. Step 2: Convert to fraction form
    361,529.58/498,651.74 = 238,879.89/x
  3. Step 3: Cross multiply
    361,529.58x = 498,651.74 × 238,879.89
  4. Step 4: Simplify right side
    361,529.58x = 119,117,871,605.11
  5. Step 5: Solve for x
    x = 119,117,871,605.11/361,529.58
  6. Step 6: Final answer
    x = 329,483.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.