Home / 212,436.12-318,707.64-174,548.82

Finding the Fourth Proportional to 212,436.12, 318,707.64 and 174,548.82

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Solution

The fourth proportional to 212,436.12, 318,707.64 and 174,548.82 is: 261,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,436.12 : 318,707.64 = 174,548.82 : x
  2. Step 2: Convert to fraction form
    212,436.12/318,707.64 = 174,548.82/x
  3. Step 3: Cross multiply
    212,436.12x = 318,707.64 × 174,548.82
  4. Step 4: Simplify right side
    212,436.12x = 55,630,042,486.98
  5. Step 5: Solve for x
    x = 55,630,042,486.98/212,436.12
  6. Step 6: Final answer
    x = 261,867.16

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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.