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Finding the Fourth Proportional to 319,662.76, 479,494.38 and 109,302.28

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Solution

The fourth proportional to 319,662.76, 479,494.38 and 109,302.28 is: 163,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,662.76 : 479,494.38 = 109,302.28 : x
  2. Step 2: Convert to fraction form
    319,662.76/479,494.38 = 109,302.28/x
  3. Step 3: Cross multiply
    319,662.76x = 479,494.38 × 109,302.28
  4. Step 4: Simplify right side
    319,662.76x = 52,409,828,981.19
  5. Step 5: Solve for x
    x = 52,409,828,981.19/319,662.76
  6. Step 6: Final answer
    x = 163,953.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.