Home / 258,650.32-356,934.02-145,473.07

Finding the Fourth Proportional to 258,650.32, 356,934.02 and 145,473.07

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Solution

The fourth proportional to 258,650.32, 356,934.02 and 145,473.07 is: 200,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,650.32 : 356,934.02 = 145,473.07 : x
  2. Step 2: Convert to fraction form
    258,650.32/356,934.02 = 145,473.07/x
  3. Step 3: Cross multiply
    258,650.32x = 356,934.02 × 145,473.07
  4. Step 4: Simplify right side
    258,650.32x = 51,924,287,676.84
  5. Step 5: Solve for x
    x = 51,924,287,676.84/258,650.32
  6. Step 6: Final answer
    x = 200,750.91

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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.