Home / 349,178.12-481,842.42-205,931.72

Finding the Fourth Proportional to 349,178.12, 481,842.42 and 205,931.72

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Solution

The fourth proportional to 349,178.12, 481,842.42 and 205,931.72 is: 284,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,178.12 : 481,842.42 = 205,931.72 : x
  2. Step 2: Convert to fraction form
    349,178.12/481,842.42 = 205,931.72/x
  3. Step 3: Cross multiply
    349,178.12x = 481,842.42 × 205,931.72
  4. Step 4: Simplify right side
    349,178.12x = 99,226,638,319.56
  5. Step 5: Solve for x
    x = 99,226,638,319.56/349,178.12
  6. Step 6: Final answer
    x = 284,171.98

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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.