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Finding the Fourth Proportional to 342,850.42, 514,607.31 and 165,482.26

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Solution

The fourth proportional to 342,850.42, 514,607.31 and 165,482.26 is: 248,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,850.42 : 514,607.31 = 165,482.26 : x
  2. Step 2: Convert to fraction form
    342,850.42/514,607.31 = 165,482.26/x
  3. Step 3: Cross multiply
    342,850.42x = 514,607.31 × 165,482.26
  4. Step 4: Simplify right side
    342,850.42x = 85,158,380,671.32
  5. Step 5: Solve for x
    x = 85,158,380,671.32/342,850.42
  6. Step 6: Final answer
    x = 248,383.48

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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.