Home / 293,089.12-438,950.04-214,007.20

Finding the Fourth Proportional to 293,089.12, 438,950.04 and 214,007.20

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Solution

The fourth proportional to 293,089.12, 438,950.04 and 214,007.20 is: 320,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,089.12 : 438,950.04 = 214,007.20 : x
  2. Step 2: Convert to fraction form
    293,089.12/438,950.04 = 214,007.20/x
  3. Step 3: Cross multiply
    293,089.12x = 438,950.04 × 214,007.20
  4. Step 4: Simplify right side
    293,089.12x = 93,938,469,000.29
  5. Step 5: Solve for x
    x = 93,938,469,000.29/293,089.12
  6. Step 6: Final answer
    x = 320,511.62

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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.