Home / 400,023.52-552,032.40-218,735.57

Finding the Fourth Proportional to 400,023.52, 552,032.40 and 218,735.57

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Solution

The fourth proportional to 400,023.52, 552,032.40 and 218,735.57 is: 301,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,023.52 : 552,032.40 = 218,735.57 : x
  2. Step 2: Convert to fraction form
    400,023.52/552,032.40 = 218,735.57/x
  3. Step 3: Cross multiply
    400,023.52x = 552,032.40 × 218,735.57
  4. Step 4: Simplify right side
    400,023.52x = 120,749,118,912.31
  5. Step 5: Solve for x
    x = 120,749,118,912.31/400,023.52
  6. Step 6: Final answer
    x = 301,855.05

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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.