Home / 303,143.51-454,590.16-103,480.00

Finding the Fourth Proportional to 303,143.51, 454,590.16 and 103,480.00

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Solution

The fourth proportional to 303,143.51, 454,590.16 and 103,480.00 is: 155,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,143.51 : 454,590.16 = 103,480.00 : x
  2. Step 2: Convert to fraction form
    303,143.51/454,590.16 = 103,480.00/x
  3. Step 3: Cross multiply
    303,143.51x = 454,590.16 × 103,480.00
  4. Step 4: Simplify right side
    303,143.51x = 47,040,988,361.62
  5. Step 5: Solve for x
    x = 47,040,988,361.62/303,143.51
  6. Step 6: Final answer
    x = 155,177.29

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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.