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Finding the Fourth Proportional to 240,533.94, 331,931.87 and 133,103.90

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Solution

The fourth proportional to 240,533.94, 331,931.87 and 133,103.90 is: 183,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,533.94 : 331,931.87 = 133,103.90 : x
  2. Step 2: Convert to fraction form
    240,533.94/331,931.87 = 133,103.90/x
  3. Step 3: Cross multiply
    240,533.94x = 331,931.87 × 133,103.90
  4. Step 4: Simplify right side
    240,533.94x = 44,181,426,431.29
  5. Step 5: Solve for x
    x = 44,181,426,431.29/240,533.94
  6. Step 6: Final answer
    x = 183,680.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.