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Finding the Fourth Proportional to 341,573.16, 512,361.23 and 141,893.36

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Solution

The fourth proportional to 341,573.16, 512,361.23 and 141,893.36 is: 212,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,573.16 : 512,361.23 = 141,893.36 : x
  2. Step 2: Convert to fraction form
    341,573.16/512,361.23 = 141,893.36/x
  3. Step 3: Cross multiply
    341,573.16x = 512,361.23 × 141,893.36
  4. Step 4: Simplify right side
    341,573.16x = 72,700,653,187.16
  5. Step 5: Solve for x
    x = 72,700,653,187.16/341,573.16
  6. Step 6: Final answer
    x = 212,840.65

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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.