Home / 401,048.60-553,240.07-271,943.40

Finding the Fourth Proportional to 401,048.60, 553,240.07 and 271,943.40

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Solution

The fourth proportional to 401,048.60, 553,240.07 and 271,943.40 is: 375,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,048.60 : 553,240.07 = 271,943.40 : x
  2. Step 2: Convert to fraction form
    401,048.60/553,240.07 = 271,943.40/x
  3. Step 3: Cross multiply
    401,048.60x = 553,240.07 × 271,943.40
  4. Step 4: Simplify right side
    401,048.60x = 150,449,981,526.12
  5. Step 5: Solve for x
    x = 150,449,981,526.12/401,048.60
  6. Step 6: Final answer
    x = 375,141.52

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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.