Home / 401,299.08-553,778.02-220,007.02

Finding the Fourth Proportional to 401,299.08, 553,778.02 and 220,007.02

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Solution

The fourth proportional to 401,299.08, 553,778.02 and 220,007.02 is: 303,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,299.08 : 553,778.02 = 220,007.02 : x
  2. Step 2: Convert to fraction form
    401,299.08/553,778.02 = 220,007.02/x
  3. Step 3: Cross multiply
    401,299.08x = 553,778.02 × 220,007.02
  4. Step 4: Simplify right side
    401,299.08x = 121,835,051,921.70
  5. Step 5: Solve for x
    x = 121,835,051,921.70/401,299.08
  6. Step 6: Final answer
    x = 303,601.62

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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.