Home / 275,848.19-380,670.84-154,989.39

Finding the Fourth Proportional to 275,848.19, 380,670.84 and 154,989.39

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Solution

The fourth proportional to 275,848.19, 380,670.84 and 154,989.39 is: 213,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,848.19 : 380,670.84 = 154,989.39 : x
  2. Step 2: Convert to fraction form
    275,848.19/380,670.84 = 154,989.39/x
  3. Step 3: Cross multiply
    275,848.19x = 380,670.84 × 154,989.39
  4. Step 4: Simplify right side
    275,848.19x = 58,999,941,282.39
  5. Step 5: Solve for x
    x = 58,999,941,282.39/275,848.19
  6. Step 6: Final answer
    x = 213,885.55

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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.