Home / 442,731.88-610,967.10-251,745.28

Finding the Fourth Proportional to 442,731.88, 610,967.10 and 251,745.28

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Solution

The fourth proportional to 442,731.88, 610,967.10 and 251,745.28 is: 347,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,731.88 : 610,967.10 = 251,745.28 : x
  2. Step 2: Convert to fraction form
    442,731.88/610,967.10 = 251,745.28/x
  3. Step 3: Cross multiply
    442,731.88x = 610,967.10 × 251,745.28
  4. Step 4: Simplify right side
    442,731.88x = 153,808,083,660.29
  5. Step 5: Solve for x
    x = 153,808,083,660.29/442,731.88
  6. Step 6: Final answer
    x = 347,406.84

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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.