Home / 401,290.43-553,750.06-229,184.64

Finding the Fourth Proportional to 401,290.43, 553,750.06 and 229,184.64

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Solution

The fourth proportional to 401,290.43, 553,750.06 and 229,184.64 is: 316,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,290.43 : 553,750.06 = 229,184.64 : x
  2. Step 2: Convert to fraction form
    401,290.43/553,750.06 = 229,184.64/x
  3. Step 3: Cross multiply
    401,290.43x = 553,750.06 × 229,184.64
  4. Step 4: Simplify right side
    401,290.43x = 126,911,008,724.04
  5. Step 5: Solve for x
    x = 126,911,008,724.04/401,290.43
  6. Step 6: Final answer
    x = 316,257.25

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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.