Home / 401,664.42-554,317.02-229,591.26

Finding the Fourth Proportional to 401,664.42, 554,317.02 and 229,591.26

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Solution

The fourth proportional to 401,664.42, 554,317.02 and 229,591.26 is: 316,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,664.42 : 554,317.02 = 229,591.26 : x
  2. Step 2: Convert to fraction form
    401,664.42/554,317.02 = 229,591.26/x
  3. Step 3: Cross multiply
    401,664.42x = 554,317.02 × 229,591.26
  4. Step 4: Simplify right side
    401,664.42x = 127,266,343,061.25
  5. Step 5: Solve for x
    x = 127,266,343,061.25/401,664.42
  6. Step 6: Final answer
    x = 316,847.44

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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.