Home / 352,455.28-485,159.03-304,210.27

Finding the Fourth Proportional to 352,455.28, 485,159.03 and 304,210.27

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Solution

The fourth proportional to 352,455.28, 485,159.03 and 304,210.27 is: 418,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,455.28 : 485,159.03 = 304,210.27 : x
  2. Step 2: Convert to fraction form
    352,455.28/485,159.03 = 304,210.27/x
  3. Step 3: Cross multiply
    352,455.28x = 485,159.03 × 304,210.27
  4. Step 4: Simplify right side
    352,455.28x = 147,590,357,843.97
  5. Step 5: Solve for x
    x = 147,590,357,843.97/352,455.28
  6. Step 6: Final answer
    x = 418,749.18

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1.5x scale

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.