Home / 401,551.03-554,140.41-220,263.37

Finding the Fourth Proportional to 401,551.03, 554,140.41 and 220,263.37

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Solution

The fourth proportional to 401,551.03, 554,140.41 and 220,263.37 is: 303,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,551.03 : 554,140.41 = 220,263.37 : x
  2. Step 2: Convert to fraction form
    401,551.03/554,140.41 = 220,263.37/x
  3. Step 3: Cross multiply
    401,551.03x = 554,140.41 × 220,263.37
  4. Step 4: Simplify right side
    401,551.03x = 122,056,834,159.78
  5. Step 5: Solve for x
    x = 122,056,834,159.78/401,551.03
  6. Step 6: Final answer
    x = 303,963.44

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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.