Home / 347,972.12-521,950.60-111,314.08

Finding the Fourth Proportional to 347,972.12, 521,950.60 and 111,314.08

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Solution

The fourth proportional to 347,972.12, 521,950.60 and 111,314.08 is: 166,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,972.12 : 521,950.60 = 111,314.08 : x
  2. Step 2: Convert to fraction form
    347,972.12/521,950.60 = 111,314.08/x
  3. Step 3: Cross multiply
    347,972.12x = 521,950.60 × 111,314.08
  4. Step 4: Simplify right side
    347,972.12x = 58,100,450,844.45
  5. Step 5: Solve for x
    x = 58,100,450,844.45/347,972.12
  6. Step 6: Final answer
    x = 166,968.70

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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.