Home / 269,827.12-404,760.24-103,615.12

Finding the Fourth Proportional to 269,827.12, 404,760.24 and 103,615.12

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Solution

The fourth proportional to 269,827.12, 404,760.24 and 103,615.12 is: 155,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,827.12 : 404,760.24 = 103,615.12 : x
  2. Step 2: Convert to fraction form
    269,827.12/404,760.24 = 103,615.12/x
  3. Step 3: Cross multiply
    269,827.12x = 404,760.24 × 103,615.12
  4. Step 4: Simplify right side
    269,827.12x = 41,939,280,838.83
  5. Step 5: Solve for x
    x = 41,939,280,838.83/269,827.12
  6. Step 6: Final answer
    x = 155,430.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.