Home / 347,908.20-521,697.82-134,775.94

Finding the Fourth Proportional to 347,908.20, 521,697.82 and 134,775.94

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Solution

The fourth proportional to 347,908.20, 521,697.82 and 134,775.94 is: 202,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,908.20 : 521,697.82 = 134,775.94 : x
  2. Step 2: Convert to fraction form
    347,908.20/521,697.82 = 134,775.94/x
  3. Step 3: Cross multiply
    347,908.20x = 521,697.82 × 134,775.94
  4. Step 4: Simplify right side
    347,908.20x = 70,312,310,804.08
  5. Step 5: Solve for x
    x = 70,312,310,804.08/347,908.20
  6. Step 6: Final answer
    x = 202,100.18

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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.