Home / 401,095.19-553,441.21-228,934.55

Finding the Fourth Proportional to 401,095.19, 553,441.21 and 228,934.55

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Solution

The fourth proportional to 401,095.19, 553,441.21 and 228,934.55 is: 315,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,095.19 : 553,441.21 = 228,934.55 : x
  2. Step 2: Convert to fraction form
    401,095.19/553,441.21 = 228,934.55/x
  3. Step 3: Cross multiply
    401,095.19x = 553,441.21 × 228,934.55
  4. Step 4: Simplify right side
    401,095.19x = 126,701,815,174.07
  5. Step 5: Solve for x
    x = 126,701,815,174.07/401,095.19
  6. Step 6: Final answer
    x = 315,889.64

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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.