Home / 427,108.70-589,558.43-245,892.85

Finding the Fourth Proportional to 427,108.70, 589,558.43 and 245,892.85

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Solution

The fourth proportional to 427,108.70, 589,558.43 and 245,892.85 is: 339,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,108.70 : 589,558.43 = 245,892.85 : x
  2. Step 2: Convert to fraction form
    427,108.70/589,558.43 = 245,892.85/x
  3. Step 3: Cross multiply
    427,108.70x = 589,558.43 × 245,892.85
  4. Step 4: Simplify right side
    427,108.70x = 144,968,202,594.23
  5. Step 5: Solve for x
    x = 144,968,202,594.23/427,108.70
  6. Step 6: Final answer
    x = 339,417.58

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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.