Home / 346,909.20-520,005.96-169,196.64

Finding the Fourth Proportional to 346,909.20, 520,005.96 and 169,196.64

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Solution

The fourth proportional to 346,909.20, 520,005.96 and 169,196.64 is: 253,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,909.20 : 520,005.96 = 169,196.64 : x
  2. Step 2: Convert to fraction form
    346,909.20/520,005.96 = 169,196.64/x
  3. Step 3: Cross multiply
    346,909.20x = 520,005.96 × 169,196.64
  4. Step 4: Simplify right side
    346,909.20x = 87,983,261,211.97
  5. Step 5: Solve for x
    x = 87,983,261,211.97/346,909.20
  6. Step 6: Final answer
    x = 253,620.43

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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.