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Finding the Fourth Proportional to 341,331.94, 512,226.47 and 141,652.51

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Solution

The fourth proportional to 341,331.94, 512,226.47 and 141,652.51 is: 212,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,331.94 : 512,226.47 = 141,652.51 : x
  2. Step 2: Convert to fraction form
    341,331.94/512,226.47 = 141,652.51/x
  3. Step 3: Cross multiply
    341,331.94x = 512,226.47 × 141,652.51
  4. Step 4: Simplify right side
    341,331.94x = 72,558,166,321.98
  5. Step 5: Solve for x
    x = 72,558,166,321.98/341,331.94
  6. Step 6: Final answer
    x = 212,573.62

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1.5x scale

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.