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Finding the Fourth Proportional to 286,593.15, 395,903.29 and 229,610.87

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Solution

The fourth proportional to 286,593.15, 395,903.29 and 229,610.87 is: 317,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,593.15 : 395,903.29 = 229,610.87 : x
  2. Step 2: Convert to fraction form
    286,593.15/395,903.29 = 229,610.87/x
  3. Step 3: Cross multiply
    286,593.15x = 395,903.29 × 229,610.87
  4. Step 4: Simplify right side
    286,593.15x = 90,903,698,852.76
  5. Step 5: Solve for x
    x = 90,903,698,852.76/286,593.15
  6. Step 6: Final answer
    x = 317,187.27

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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.