Home / 465,647.47-642,769.06-272,118.02

Finding the Fourth Proportional to 465,647.47, 642,769.06 and 272,118.02

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Solution

The fourth proportional to 465,647.47, 642,769.06 and 272,118.02 is: 375,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,647.47 : 642,769.06 = 272,118.02 : x
  2. Step 2: Convert to fraction form
    465,647.47/642,769.06 = 272,118.02/x
  3. Step 3: Cross multiply
    465,647.47x = 642,769.06 × 272,118.02
  4. Step 4: Simplify right side
    465,647.47x = 174,909,043,924.46
  5. Step 5: Solve for x
    x = 174,909,043,924.46/465,647.47
  6. Step 6: Final answer
    x = 375,625.46

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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.