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Finding the Fourth Proportional to 352,480.44, 486,409.84 and 191,332.04

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Solution

The fourth proportional to 352,480.44, 486,409.84 and 191,332.04 is: 264,031.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,480.44 : 486,409.84 = 191,332.04 : x
  2. Step 2: Convert to fraction form
    352,480.44/486,409.84 = 191,332.04/x
  3. Step 3: Cross multiply
    352,480.44x = 486,409.84 × 191,332.04
  4. Step 4: Simplify right side
    352,480.44x = 93,065,786,963.27
  5. Step 5: Solve for x
    x = 93,065,786,963.27/352,480.44
  6. Step 6: Final answer
    x = 264,031.07

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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.