Home / 274,829.34-379,288.90-153,969.84

Finding the Fourth Proportional to 274,829.34, 379,288.90 and 153,969.84

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Solution

The fourth proportional to 274,829.34, 379,288.90 and 153,969.84 is: 212,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,829.34 : 379,288.90 = 153,969.84 : x
  2. Step 2: Convert to fraction form
    274,829.34/379,288.90 = 153,969.84/x
  3. Step 3: Cross multiply
    274,829.34x = 379,288.90 × 153,969.84
  4. Step 4: Simplify right side
    274,829.34x = 58,399,051,246.78
  5. Step 5: Solve for x
    x = 58,399,051,246.78/274,829.34
  6. Step 6: Final answer
    x = 212,492.06

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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.