Home / 401,291.43-553,751.44-229,185.64

Finding the Fourth Proportional to 401,291.43, 553,751.44 and 229,185.64

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Solution

The fourth proportional to 401,291.43, 553,751.44 and 229,185.64 is: 316,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,291.43 : 553,751.44 = 229,185.64 : x
  2. Step 2: Convert to fraction form
    401,291.43/553,751.44 = 229,185.64/x
  3. Step 3: Cross multiply
    401,291.43x = 553,751.44 × 229,185.64
  4. Step 4: Simplify right side
    401,291.43x = 126,911,878,177.32
  5. Step 5: Solve for x
    x = 126,911,878,177.32/401,291.43
  6. Step 6: Final answer
    x = 316,258.63

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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.