Home / 427,130.88-589,406.40-245,833.44

Finding the Fourth Proportional to 427,130.88, 589,406.40 and 245,833.44

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Solution

The fourth proportional to 427,130.88, 589,406.40 and 245,833.44 is: 339,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,130.88 : 589,406.40 = 245,833.44 : x
  2. Step 2: Convert to fraction form
    427,130.88/589,406.40 = 245,833.44/x
  3. Step 3: Cross multiply
    427,130.88x = 589,406.40 × 245,833.44
  4. Step 4: Simplify right side
    427,130.88x = 144,895,802,870.02
  5. Step 5: Solve for x
    x = 144,895,802,870.02/427,130.88
  6. Step 6: Final answer
    x = 339,230.46

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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.