Home / 272,212.35-405,681.27-258,040.59

Finding the Fourth Proportional to 272,212.35, 405,681.27 and 258,040.59

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Solution

The fourth proportional to 272,212.35, 405,681.27 and 258,040.59 is: 384,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,212.35 : 405,681.27 = 258,040.59 : x
  2. Step 2: Convert to fraction form
    272,212.35/405,681.27 = 258,040.59/x
  3. Step 3: Cross multiply
    272,212.35x = 405,681.27 × 258,040.59
  4. Step 4: Simplify right side
    272,212.35x = 104,682,234,262.75
  5. Step 5: Solve for x
    x = 104,682,234,262.75/272,212.35
  6. Step 6: Final answer
    x = 384,560.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.