Home / 401,365.02-553,890.17-220,093.50

Finding the Fourth Proportional to 401,365.02, 553,890.17 and 220,093.50

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Solution

The fourth proportional to 401,365.02, 553,890.17 and 220,093.50 is: 303,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,365.02 : 553,890.17 = 220,093.50 : x
  2. Step 2: Convert to fraction form
    401,365.02/553,890.17 = 220,093.50/x
  3. Step 3: Cross multiply
    401,365.02x = 553,890.17 × 220,093.50
  4. Step 4: Simplify right side
    401,365.02x = 121,907,626,130.90
  5. Step 5: Solve for x
    x = 121,907,626,130.90/401,365.02
  6. Step 6: Final answer
    x = 303,732.56

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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.