Home / 401,048.35-553,239.72-271,943.15

Finding the Fourth Proportional to 401,048.35, 553,239.72 and 271,943.15

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Solution

The fourth proportional to 401,048.35, 553,239.72 and 271,943.15 is: 375,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,048.35 : 553,239.72 = 271,943.15 : x
  2. Step 2: Convert to fraction form
    401,048.35/553,239.72 = 271,943.15/x
  3. Step 3: Cross multiply
    401,048.35x = 553,239.72 × 271,943.15
  4. Step 4: Simplify right side
    401,048.35x = 150,449,749,395.72
  5. Step 5: Solve for x
    x = 150,449,749,395.72/401,048.35
  6. Step 6: Final answer
    x = 375,141.18

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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.