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Finding the Fourth Proportional to 274,898.04, 379,352.88 and 161,728.08

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Solution

The fourth proportional to 274,898.04, 379,352.88 and 161,728.08 is: 223,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,898.04 : 379,352.88 = 161,728.08 : x
  2. Step 2: Convert to fraction form
    274,898.04/379,352.88 = 161,728.08/x
  3. Step 3: Cross multiply
    274,898.04x = 379,352.88 × 161,728.08
  4. Step 4: Simplify right side
    274,898.04x = 61,352,012,924.87
  5. Step 5: Solve for x
    x = 61,352,012,924.87/274,898.04
  6. Step 6: Final answer
    x = 223,180.98

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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.