Home / 401,299.22-553,602.12-240,121.82

Finding the Fourth Proportional to 401,299.22, 553,602.12 and 240,121.82

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Solution

The fourth proportional to 401,299.22, 553,602.12 and 240,121.82 is: 331,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,299.22 : 553,602.12 = 240,121.82 : x
  2. Step 2: Convert to fraction form
    401,299.22/553,602.12 = 240,121.82/x
  3. Step 3: Cross multiply
    401,299.22x = 553,602.12 × 240,121.82
  4. Step 4: Simplify right side
    401,299.22x = 132,931,948,610.26
  5. Step 5: Solve for x
    x = 132,931,948,610.26/401,299.22
  6. Step 6: Final answer
    x = 331,253.94

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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.