Home / 355,044.07-489,969.45-193,897.81

Finding the Fourth Proportional to 355,044.07, 489,969.45 and 193,897.81

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Solution

The fourth proportional to 355,044.07, 489,969.45 and 193,897.81 is: 267,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,044.07 : 489,969.45 = 193,897.81 : x
  2. Step 2: Convert to fraction form
    355,044.07/489,969.45 = 193,897.81/x
  3. Step 3: Cross multiply
    355,044.07x = 489,969.45 × 193,897.81
  4. Step 4: Simplify right side
    355,044.07x = 95,004,003,321.90
  5. Step 5: Solve for x
    x = 95,004,003,321.90/355,044.07
  6. Step 6: Final answer
    x = 267,583.69

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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.