Home / 416,579.90-574,877.40-225,588.92

Finding the Fourth Proportional to 416,579.90, 574,877.40 and 225,588.92

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Solution

The fourth proportional to 416,579.90, 574,877.40 and 225,588.92 is: 311,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,579.90 : 574,877.40 = 225,588.92 : x
  2. Step 2: Convert to fraction form
    416,579.90/574,877.40 = 225,588.92/x
  3. Step 3: Cross multiply
    416,579.90x = 574,877.40 × 225,588.92
  4. Step 4: Simplify right side
    416,579.90x = 129,685,971,798.41
  5. Step 5: Solve for x
    x = 129,685,971,798.41/416,579.90
  6. Step 6: Final answer
    x = 311,311.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.