Home / 427,156.56-589,432.14-245,833.20

Finding the Fourth Proportional to 427,156.56, 589,432.14 and 245,833.20

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Solution

The fourth proportional to 427,156.56, 589,432.14 and 245,833.20 is: 339,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,156.56 : 589,432.14 = 245,833.20 : x
  2. Step 2: Convert to fraction form
    427,156.56/589,432.14 = 245,833.20/x
  3. Step 3: Cross multiply
    427,156.56x = 589,432.14 × 245,833.20
  4. Step 4: Simplify right side
    427,156.56x = 144,901,989,159.05
  5. Step 5: Solve for x
    x = 144,901,989,159.05/427,156.56
  6. Step 6: Final answer
    x = 339,224.54

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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.