Home / 291,947.80-437,884.04-92,288.38

Finding the Fourth Proportional to 291,947.80, 437,884.04 and 92,288.38

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Solution

The fourth proportional to 291,947.80, 437,884.04 and 92,288.38 is: 138,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.80 : 437,884.04 = 92,288.38 : x
  2. Step 2: Convert to fraction form
    291,947.80/437,884.04 = 92,288.38/x
  3. Step 3: Cross multiply
    291,947.80x = 437,884.04 × 92,288.38
  4. Step 4: Simplify right side
    291,947.80x = 40,411,608,679.46
  5. Step 5: Solve for x
    x = 40,411,608,679.46/291,947.80
  6. Step 6: Final answer
    x = 138,420.67

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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.