Home / 400,254.67-552,346.90-218,964.52

Finding the Fourth Proportional to 400,254.67, 552,346.90 and 218,964.52

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Solution

The fourth proportional to 400,254.67, 552,346.90 and 218,964.52 is: 302,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,254.67 : 552,346.90 = 218,964.52 : x
  2. Step 2: Convert to fraction form
    400,254.67/552,346.90 = 218,964.52/x
  3. Step 3: Cross multiply
    400,254.67x = 552,346.90 × 218,964.52
  4. Step 4: Simplify right side
    400,254.67x = 120,944,373,831.99
  5. Step 5: Solve for x
    x = 120,944,373,831.99/400,254.67
  6. Step 6: Final answer
    x = 302,168.55

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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.