Home / 432,386.37-648,228.96-179,855.78

Finding the Fourth Proportional to 432,386.37, 648,228.96 and 179,855.78

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Solution

The fourth proportional to 432,386.37, 648,228.96 and 179,855.78 is: 269,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,386.37 : 648,228.96 = 179,855.78 : x
  2. Step 2: Convert to fraction form
    432,386.37/648,228.96 = 179,855.78/x
  3. Step 3: Cross multiply
    432,386.37x = 648,228.96 × 179,855.78
  4. Step 4: Simplify right side
    432,386.37x = 116,587,721,978.24
  5. Step 5: Solve for x
    x = 116,587,721,978.24/432,386.37
  6. Step 6: Final answer
    x = 269,637.83

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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.