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Finding the Fourth Proportional to 175,583.76, 263,372.88 and 42,463.12

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Solution

The fourth proportional to 175,583.76, 263,372.88 and 42,463.12 is: 63,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,583.76 : 263,372.88 = 42,463.12 : x
  2. Step 2: Convert to fraction form
    175,583.76/263,372.88 = 42,463.12/x
  3. Step 3: Cross multiply
    175,583.76x = 263,372.88 × 42,463.12
  4. Step 4: Simplify right side
    175,583.76x = 11,183,634,208.19
  5. Step 5: Solve for x
    x = 11,183,634,208.19/175,583.76
  6. Step 6: Final answer
    x = 63,694.01

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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.