Home / 549,128.57-823,608.20-149,801.81

Finding the Fourth Proportional to 549,128.57, 823,608.20 and 149,801.81

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Solution

The fourth proportional to 549,128.57, 823,608.20 and 149,801.81 is: 224,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,128.57 : 823,608.20 = 149,801.81 : x
  2. Step 2: Convert to fraction form
    549,128.57/823,608.20 = 149,801.81/x
  3. Step 3: Cross multiply
    549,128.57x = 823,608.20 × 149,801.81
  4. Step 4: Simplify right side
    549,128.57x = 123,377,995,347.31
  5. Step 5: Solve for x
    x = 123,377,995,347.31/549,128.57
  6. Step 6: Final answer
    x = 224,679.62

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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.