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Finding the Fourth Proportional to 251,607.96, 377,411.94 and 64,619.64

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Solution

The fourth proportional to 251,607.96, 377,411.94 and 64,619.64 is: 96,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,607.96 : 377,411.94 = 64,619.64 : x
  2. Step 2: Convert to fraction form
    251,607.96/377,411.94 = 64,619.64/x
  3. Step 3: Cross multiply
    251,607.96x = 377,411.94 × 64,619.64
  4. Step 4: Simplify right side
    251,607.96x = 24,388,223,694.50
  5. Step 5: Solve for x
    x = 24,388,223,694.50/251,607.96
  6. Step 6: Final answer
    x = 96,929.46

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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.