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Finding the Fourth Proportional to 152,660.61, 228,991.51 and 63,851.82

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Solution

The fourth proportional to 152,660.61, 228,991.51 and 63,851.82 is: 95,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,660.61 : 228,991.51 = 63,851.82 : x
  2. Step 2: Convert to fraction form
    152,660.61/228,991.51 = 63,851.82/x
  3. Step 3: Cross multiply
    152,660.61x = 228,991.51 × 63,851.82
  4. Step 4: Simplify right side
    152,660.61x = 14,621,524,678.05
  5. Step 5: Solve for x
    x = 14,621,524,678.05/152,660.61
  6. Step 6: Final answer
    x = 95,777.98

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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.