Home / 401,370.02-553,896.87-220,098.50

Finding the Fourth Proportional to 401,370.02, 553,896.87 and 220,098.50

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Solution

The fourth proportional to 401,370.02, 553,896.87 and 220,098.50 is: 303,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,370.02 : 553,896.87 = 220,098.50 : x
  2. Step 2: Convert to fraction form
    401,370.02/553,896.87 = 220,098.50/x
  3. Step 3: Cross multiply
    401,370.02x = 553,896.87 × 220,098.50
  4. Step 4: Simplify right side
    401,370.02x = 121,911,870,241.70
  5. Step 5: Solve for x
    x = 121,911,870,241.70/401,370.02
  6. Step 6: Final answer
    x = 303,739.35

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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.