Home / 400,223.90-552,308.79-218,935.77

Finding the Fourth Proportional to 400,223.90, 552,308.79 and 218,935.77

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Solution

The fourth proportional to 400,223.90, 552,308.79 and 218,935.77 is: 302,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,223.90 : 552,308.79 = 218,935.77 : x
  2. Step 2: Convert to fraction form
    400,223.90/552,308.79 = 218,935.77/x
  3. Step 3: Cross multiply
    400,223.90x = 552,308.79 × 218,935.77
  4. Step 4: Simplify right side
    400,223.90x = 120,920,150,216.42
  5. Step 5: Solve for x
    x = 120,920,150,216.42/400,223.90
  6. Step 6: Final answer
    x = 302,131.26

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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.