Home / 399,285.21-599,013.93-114,973.85

Finding the Fourth Proportional to 399,285.21, 599,013.93 and 114,973.85

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Solution

The fourth proportional to 399,285.21, 599,013.93 and 114,973.85 is: 172,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,285.21 : 599,013.93 = 114,973.85 : x
  2. Step 2: Convert to fraction form
    399,285.21/599,013.93 = 114,973.85/x
  3. Step 3: Cross multiply
    399,285.21x = 599,013.93 × 114,973.85
  4. Step 4: Simplify right side
    399,285.21x = 68,870,934,740.66
  5. Step 5: Solve for x
    x = 68,870,934,740.66/399,285.21
  6. Step 6: Final answer
    x = 172,485.56

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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.