Home / 298,939.70-448,411.16-88,579.46

Finding the Fourth Proportional to 298,939.70, 448,411.16 and 88,579.46

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Solution

The fourth proportional to 298,939.70, 448,411.16 and 88,579.46 is: 132,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,939.70 : 448,411.16 = 88,579.46 : x
  2. Step 2: Convert to fraction form
    298,939.70/448,411.16 = 88,579.46/x
  3. Step 3: Cross multiply
    298,939.70x = 448,411.16 × 88,579.46
  4. Step 4: Simplify right side
    298,939.70x = 39,720,018,410.77
  5. Step 5: Solve for x
    x = 39,720,018,410.77/298,939.70
  6. Step 6: Final answer
    x = 132,869.67

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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.