Home / 401,827.64-554,520.40-220,542.48

Finding the Fourth Proportional to 401,827.64, 554,520.40 and 220,542.48

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Solution

The fourth proportional to 401,827.64, 554,520.40 and 220,542.48 is: 304,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,827.64 : 554,520.40 = 220,542.48 : x
  2. Step 2: Convert to fraction form
    401,827.64/554,520.40 = 220,542.48/x
  3. Step 3: Cross multiply
    401,827.64x = 554,520.40 × 220,542.48
  4. Step 4: Simplify right side
    401,827.64x = 122,295,303,675.24
  5. Step 5: Solve for x
    x = 122,295,303,675.24/401,827.64
  6. Step 6: Final answer
    x = 304,347.67

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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.