Home / 275,536.18-380,295.89-159,254.61

Finding the Fourth Proportional to 275,536.18, 380,295.89 and 159,254.61

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Solution

The fourth proportional to 275,536.18, 380,295.89 and 159,254.61 is: 219,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,536.18 : 380,295.89 = 159,254.61 : x
  2. Step 2: Convert to fraction form
    275,536.18/380,295.89 = 159,254.61/x
  3. Step 3: Cross multiply
    275,536.18x = 380,295.89 × 159,254.61
  4. Step 4: Simplify right side
    275,536.18x = 60,563,871,573.47
  5. Step 5: Solve for x
    x = 60,563,871,573.47/275,536.18
  6. Step 6: Final answer
    x = 219,803.70

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1.5x scale

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.