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Finding the Fourth Proportional to 169,277.20, 253,980.60 and 166,620.40

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Solution

The fourth proportional to 169,277.20, 253,980.60 and 166,620.40 is: 249,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,277.20 : 253,980.60 = 166,620.40 : x
  2. Step 2: Convert to fraction form
    169,277.20/253,980.60 = 166,620.40/x
  3. Step 3: Cross multiply
    169,277.20x = 253,980.60 × 166,620.40
  4. Step 4: Simplify right side
    169,277.20x = 42,318,349,164.24
  5. Step 5: Solve for x
    x = 42,318,349,164.24/169,277.20
  6. Step 6: Final answer
    x = 249,994.38

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1.5x scale

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.