Home / 427,107.70-589,557.05-245,891.85

Finding the Fourth Proportional to 427,107.70, 589,557.05 and 245,891.85

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Solution

The fourth proportional to 427,107.70, 589,557.05 and 245,891.85 is: 339,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,107.70 : 589,557.05 = 245,891.85 : x
  2. Step 2: Convert to fraction form
    427,107.70/589,557.05 = 245,891.85/x
  3. Step 3: Cross multiply
    427,107.70x = 589,557.05 × 245,891.85
  4. Step 4: Simplify right side
    427,107.70x = 144,967,271,186.84
  5. Step 5: Solve for x
    x = 144,967,271,186.84/427,107.70
  6. Step 6: Final answer
    x = 339,416.20

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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.