Home / 281,837.08-388,950.08-154,518.04

Finding the Fourth Proportional to 281,837.08, 388,950.08 and 154,518.04

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Solution

The fourth proportional to 281,837.08, 388,950.08 and 154,518.04 is: 213,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,837.08 : 388,950.08 = 154,518.04 : x
  2. Step 2: Convert to fraction form
    281,837.08/388,950.08 = 154,518.04/x
  3. Step 3: Cross multiply
    281,837.08x = 388,950.08 × 154,518.04
  4. Step 4: Simplify right side
    281,837.08x = 60,099,804,019.44
  5. Step 5: Solve for x
    x = 60,099,804,019.44/281,837.08
  6. Step 6: Final answer
    x = 213,243.07

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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.