Home / 303,974.07-455,970.36-104,291.64

Finding the Fourth Proportional to 303,974.07, 455,970.36 and 104,291.64

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Solution

The fourth proportional to 303,974.07, 455,970.36 and 104,291.64 is: 156,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,974.07 : 455,970.36 = 104,291.64 : x
  2. Step 2: Convert to fraction form
    303,974.07/455,970.36 = 104,291.64/x
  3. Step 3: Cross multiply
    303,974.07x = 455,970.36 × 104,291.64
  4. Step 4: Simplify right side
    303,974.07x = 47,553,896,635.79
  5. Step 5: Solve for x
    x = 47,553,896,635.79/303,974.07
  6. Step 6: Final answer
    x = 156,440.64

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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.