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Finding the Fourth Proportional to 273,794.92, 410,353.32 and 155,106.48

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Solution

The fourth proportional to 273,794.92, 410,353.32 and 155,106.48 is: 232,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,794.92 : 410,353.32 = 155,106.48 : x
  2. Step 2: Convert to fraction form
    273,794.92/410,353.32 = 155,106.48/x
  3. Step 3: Cross multiply
    273,794.92x = 410,353.32 × 155,106.48
  4. Step 4: Simplify right side
    273,794.92x = 63,648,459,021.51
  5. Step 5: Solve for x
    x = 63,648,459,021.51/273,794.92
  6. Step 6: Final answer
    x = 232,467.64

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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.