Home / 268,642.15-370,723.47-147,783.58

Finding the Fourth Proportional to 268,642.15, 370,723.47 and 147,783.58

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Solution

The fourth proportional to 268,642.15, 370,723.47 and 147,783.58 is: 203,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,642.15 : 370,723.47 = 147,783.58 : x
  2. Step 2: Convert to fraction form
    268,642.15/370,723.47 = 147,783.58/x
  3. Step 3: Cross multiply
    268,642.15x = 370,723.47 × 147,783.58
  4. Step 4: Simplify right side
    268,642.15x = 54,786,841,586.62
  5. Step 5: Solve for x
    x = 54,786,841,586.62/268,642.15
  6. Step 6: Final answer
    x = 203,939.86

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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.