Home / 281,815.98-388,898.01-160,954.77

Finding the Fourth Proportional to 281,815.98, 388,898.01 and 160,954.77

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Solution

The fourth proportional to 281,815.98, 388,898.01 and 160,954.77 is: 222,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,815.98 : 388,898.01 = 160,954.77 : x
  2. Step 2: Convert to fraction form
    281,815.98/388,898.01 = 160,954.77/x
  3. Step 3: Cross multiply
    281,815.98x = 388,898.01 × 160,954.77
  4. Step 4: Simplify right side
    281,815.98x = 62,594,989,753.01
  5. Step 5: Solve for x
    x = 62,594,989,753.01/281,815.98
  6. Step 6: Final answer
    x = 222,112.99

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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.