Home / 355,664.10-533,388.62-187,091.51

Finding the Fourth Proportional to 355,664.10, 533,388.62 and 187,091.51

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Solution

The fourth proportional to 355,664.10, 533,388.62 and 187,091.51 is: 280,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,664.10 : 533,388.62 = 187,091.51 : x
  2. Step 2: Convert to fraction form
    355,664.10/533,388.62 = 187,091.51/x
  3. Step 3: Cross multiply
    355,664.10x = 533,388.62 × 187,091.51
  4. Step 4: Simplify right side
    355,664.10x = 99,792,480,133.40
  5. Step 5: Solve for x
    x = 99,792,480,133.40/355,664.10
  6. Step 6: Final answer
    x = 280,580.69

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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.