Home / 347,910.07-521,700.59-134,777.81

Finding the Fourth Proportional to 347,910.07, 521,700.59 and 134,777.81

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Solution

The fourth proportional to 347,910.07, 521,700.59 and 134,777.81 is: 202,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,910.07 : 521,700.59 = 134,777.81 : x
  2. Step 2: Convert to fraction form
    347,910.07/521,700.59 = 134,777.81/x
  3. Step 3: Cross multiply
    347,910.07x = 521,700.59 × 134,777.81
  4. Step 4: Simplify right side
    347,910.07x = 70,313,660,724.35
  5. Step 5: Solve for x
    x = 70,313,660,724.35/347,910.07
  6. Step 6: Final answer
    x = 202,102.98

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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.