Home / 275,204.51-379,803.02-152,720.07

Finding the Fourth Proportional to 275,204.51, 379,803.02 and 152,720.07

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Solution

The fourth proportional to 275,204.51, 379,803.02 and 152,720.07 is: 210,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,204.51 : 379,803.02 = 152,720.07 : x
  2. Step 2: Convert to fraction form
    275,204.51/379,803.02 = 152,720.07/x
  3. Step 3: Cross multiply
    275,204.51x = 379,803.02 × 152,720.07
  4. Step 4: Simplify right side
    275,204.51x = 58,003,544,822.95
  5. Step 5: Solve for x
    x = 58,003,544,822.95/275,204.51
  6. Step 6: Final answer
    x = 210,765.24

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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.