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Finding the Fourth Proportional to 295,775.01, 407,691.35 and 231,131.91

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Solution

The fourth proportional to 295,775.01, 407,691.35 and 231,131.91 is: 318,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,775.01 : 407,691.35 = 231,131.91 : x
  2. Step 2: Convert to fraction form
    295,775.01/407,691.35 = 231,131.91/x
  3. Step 3: Cross multiply
    295,775.01x = 407,691.35 × 231,131.91
  4. Step 4: Simplify right side
    295,775.01x = 94,230,480,415.98
  5. Step 5: Solve for x
    x = 94,230,480,415.98/295,775.01
  6. Step 6: Final answer
    x = 318,588.38

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1.5x scale

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.