Home / 397,784.48-596,534.64-131,495.84

Finding the Fourth Proportional to 397,784.48, 596,534.64 and 131,495.84

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Solution

The fourth proportional to 397,784.48, 596,534.64 and 131,495.84 is: 197,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,784.48 : 596,534.64 = 131,495.84 : x
  2. Step 2: Convert to fraction form
    397,784.48/596,534.64 = 131,495.84/x
  3. Step 3: Cross multiply
    397,784.48x = 596,534.64 × 131,495.84
  4. Step 4: Simplify right side
    397,784.48x = 78,441,823,575.90
  5. Step 5: Solve for x
    x = 78,441,823,575.90/397,784.48
  6. Step 6: Final answer
    x = 197,196.79

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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.