Home / 273,005.70-409,508.55-140,145.45

Finding the Fourth Proportional to 273,005.70, 409,508.55 and 140,145.45

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Solution

The fourth proportional to 273,005.70, 409,508.55 and 140,145.45 is: 210,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,005.70 : 409,508.55 = 140,145.45 : x
  2. Step 2: Convert to fraction form
    273,005.70/409,508.55 = 140,145.45/x
  3. Step 3: Cross multiply
    273,005.70x = 409,508.55 × 140,145.45
  4. Step 4: Simplify right side
    273,005.70x = 57,390,760,018.60
  5. Step 5: Solve for x
    x = 57,390,760,018.60/273,005.70
  6. Step 6: Final answer
    x = 210,218.18

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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.