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Finding the Fourth Proportional to 377,504.64, 566,081.88 and 140,783.76

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Solution

The fourth proportional to 377,504.64, 566,081.88 and 140,783.76 is: 211,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,504.64 : 566,081.88 = 140,783.76 : x
  2. Step 2: Convert to fraction form
    377,504.64/566,081.88 = 140,783.76/x
  3. Step 3: Cross multiply
    377,504.64x = 566,081.88 × 140,783.76
  4. Step 4: Simplify right side
    377,504.64x = 79,695,135,534.27
  5. Step 5: Solve for x
    x = 79,695,135,534.27/377,504.64
  6. Step 6: Final answer
    x = 211,110.35

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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.