Home / 829,099.23-1,243,509.72-230,121.24

Finding the Fourth Proportional to 829,099.23, 1,243,509.72 and 230,121.24

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Solution

The fourth proportional to 829,099.23, 1,243,509.72 and 230,121.24 is: 345,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,099.23 : 1,243,509.72 = 230,121.24 : x
  2. Step 2: Convert to fraction form
    829,099.23/1,243,509.72 = 230,121.24/x
  3. Step 3: Cross multiply
    829,099.23x = 1,243,509.72 × 230,121.24
  4. Step 4: Simplify right side
    829,099.23x = 286,157,998,718.45
  5. Step 5: Solve for x
    x = 286,157,998,718.45/829,099.23
  6. Step 6: Final answer
    x = 345,143.25

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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.