Home / 291,815.94-437,733.03-92,138.18

Finding the Fourth Proportional to 291,815.94, 437,733.03 and 92,138.18

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Solution

The fourth proportional to 291,815.94, 437,733.03 and 92,138.18 is: 138,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,815.94 : 437,733.03 = 92,138.18 : x
  2. Step 2: Convert to fraction form
    291,815.94/437,733.03 = 92,138.18/x
  3. Step 3: Cross multiply
    291,815.94x = 437,733.03 × 92,138.18
  4. Step 4: Simplify right side
    291,815.94x = 40,331,924,710.09
  5. Step 5: Solve for x
    x = 40,331,924,710.09/291,815.94
  6. Step 6: Final answer
    x = 138,210.15

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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.