Home / 291,975.06-437,961.78-70,359.06

Finding the Fourth Proportional to 291,975.06, 437,961.78 and 70,359.06

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Solution

The fourth proportional to 291,975.06, 437,961.78 and 70,359.06 is: 105,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,975.06 : 437,961.78 = 70,359.06 : x
  2. Step 2: Convert to fraction form
    291,975.06/437,961.78 = 70,359.06/x
  3. Step 3: Cross multiply
    291,975.06x = 437,961.78 × 70,359.06
  4. Step 4: Simplify right side
    291,975.06x = 30,814,579,156.73
  5. Step 5: Solve for x
    x = 30,814,579,156.73/291,975.06
  6. Step 6: Final answer
    x = 105,538.39

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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.