Home / 291,933.20-437,899.80-134,469.20

Finding the Fourth Proportional to 291,933.20, 437,899.80 and 134,469.20

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Solution

The fourth proportional to 291,933.20, 437,899.80 and 134,469.20 is: 201,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,933.20 : 437,899.80 = 134,469.20 : x
  2. Step 2: Convert to fraction form
    291,933.20/437,899.80 = 134,469.20/x
  3. Step 3: Cross multiply
    291,933.20x = 437,899.80 × 134,469.20
  4. Step 4: Simplify right side
    291,933.20x = 58,884,035,786.16
  5. Step 5: Solve for x
    x = 58,884,035,786.16/291,933.20
  6. Step 6: Final answer
    x = 201,703.80

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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.