Home / 213,829.30-320,745.30-56,056.36

Finding the Fourth Proportional to 213,829.30, 320,745.30 and 56,056.36

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Solution

The fourth proportional to 213,829.30, 320,745.30 and 56,056.36 is: 84,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,829.30 : 320,745.30 = 56,056.36 : x
  2. Step 2: Convert to fraction form
    213,829.30/320,745.30 = 56,056.36/x
  3. Step 3: Cross multiply
    213,829.30x = 320,745.30 × 56,056.36
  4. Step 4: Simplify right side
    213,829.30x = 17,979,814,005.11
  5. Step 5: Solve for x
    x = 17,979,814,005.11/213,829.30
  6. Step 6: Final answer
    x = 84,084.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.