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Finding the Fourth Proportional to 352,648.32, 486,653.16 and 191,502.04

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Solution

The fourth proportional to 352,648.32, 486,653.16 and 191,502.04 is: 264,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,648.32 : 486,653.16 = 191,502.04 : x
  2. Step 2: Convert to fraction form
    352,648.32/486,653.16 = 191,502.04/x
  3. Step 3: Cross multiply
    352,648.32x = 486,653.16 × 191,502.04
  4. Step 4: Simplify right side
    352,648.32x = 93,195,072,912.45
  5. Step 5: Solve for x
    x = 93,195,072,912.45/352,648.32
  6. Step 6: Final answer
    x = 264,271.99

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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.