Home / 211,485.60-291,697.20-179,604

Finding the Fourth Proportional to 211,485.60, 291,697.20 and 179,604

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Solution

The fourth proportional to 211,485.60, 291,697.20 and 179,604 is: 247,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,485.60 : 291,697.20 = 179,604 : x
  2. Step 2: Convert to fraction form
    211,485.60/291,697.20 = 179,604/x
  3. Step 3: Cross multiply
    211,485.60x = 291,697.20 × 179,604
  4. Step 4: Simplify right side
    211,485.60x = 52,389,983,908.80
  5. Step 5: Solve for x
    x = 52,389,983,908.80/211,485.60
  6. Step 6: Final answer
    x = 247,723.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.