Home / 300,026.01-449,864.06-89,607.45

Finding the Fourth Proportional to 300,026.01, 449,864.06 and 89,607.45

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Solution

The fourth proportional to 300,026.01, 449,864.06 and 89,607.45 is: 134,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,026.01 : 449,864.06 = 89,607.45 : x
  2. Step 2: Convert to fraction form
    300,026.01/449,864.06 = 89,607.45/x
  3. Step 3: Cross multiply
    300,026.01x = 449,864.06 × 89,607.45
  4. Step 4: Simplify right side
    300,026.01x = 40,311,170,815.21
  5. Step 5: Solve for x
    x = 40,311,170,815.21/300,026.01
  6. Step 6: Final answer
    x = 134,358.92

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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.