Home / 400,245.20-552,342.72-218,953.23

Finding the Fourth Proportional to 400,245.20, 552,342.72 and 218,953.23

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Solution

The fourth proportional to 400,245.20, 552,342.72 and 218,953.23 is: 302,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,245.20 : 552,342.72 = 218,953.23 : x
  2. Step 2: Convert to fraction form
    400,245.20/552,342.72 = 218,953.23/x
  3. Step 3: Cross multiply
    400,245.20x = 552,342.72 × 218,953.23
  4. Step 4: Simplify right side
    400,245.20x = 120,937,222,610.99
  5. Step 5: Solve for x
    x = 120,937,222,610.99/400,245.20
  6. Step 6: Final answer
    x = 302,157.84

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1.5x scale

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.