Home / 400,245.35-552,342.94-218,953.38

Finding the Fourth Proportional to 400,245.35, 552,342.94 and 218,953.38

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Solution

The fourth proportional to 400,245.35, 552,342.94 and 218,953.38 is: 302,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,245.35 : 552,342.94 = 218,953.38 : x
  2. Step 2: Convert to fraction form
    400,245.35/552,342.94 = 218,953.38/x
  3. Step 3: Cross multiply
    400,245.35x = 552,342.94 × 218,953.38
  4. Step 4: Simplify right side
    400,245.35x = 120,937,353,632.14
  5. Step 5: Solve for x
    x = 120,937,353,632.14/400,245.35
  6. Step 6: Final answer
    x = 302,158.05

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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.