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Finding the Fourth Proportional to 377,025.60, 565,538.40 and 166,555.20

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Solution

The fourth proportional to 377,025.60, 565,538.40 and 166,555.20 is: 249,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,025.60 : 565,538.40 = 166,555.20 : x
  2. Step 2: Convert to fraction form
    377,025.60/565,538.40 = 166,555.20/x
  3. Step 3: Cross multiply
    377,025.60x = 565,538.40 × 166,555.20
  4. Step 4: Simplify right side
    377,025.60x = 94,193,361,319.68
  5. Step 5: Solve for x
    x = 94,193,361,319.68/377,025.60
  6. Step 6: Final answer
    x = 249,832.80

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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.