Home / 401,572.02-554,184.78-220,291.58

Finding the Fourth Proportional to 401,572.02, 554,184.78 and 220,291.58

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Solution

The fourth proportional to 401,572.02, 554,184.78 and 220,291.58 is: 304,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,572.02 : 554,184.78 = 220,291.58 : x
  2. Step 2: Convert to fraction form
    401,572.02/554,184.78 = 220,291.58/x
  3. Step 3: Cross multiply
    401,572.02x = 554,184.78 × 220,291.58
  4. Step 4: Simplify right side
    401,572.02x = 122,082,240,798.15
  5. Step 5: Solve for x
    x = 122,082,240,798.15/401,572.02
  6. Step 6: Final answer
    x = 304,010.82

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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.