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Finding the Fourth Proportional to 360,469.92, 497,428.48 and 199,315.36

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Solution

The fourth proportional to 360,469.92, 497,428.48 and 199,315.36 is: 275,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,469.92 : 497,428.48 = 199,315.36 : x
  2. Step 2: Convert to fraction form
    360,469.92/497,428.48 = 199,315.36/x
  3. Step 3: Cross multiply
    360,469.92x = 497,428.48 × 199,315.36
  4. Step 4: Simplify right side
    360,469.92x = 99,145,136,565.45
  5. Step 5: Solve for x
    x = 99,145,136,565.45/360,469.92
  6. Step 6: Final answer
    x = 275,044.13

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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.