Home / 281,349.42-388,262.21-154,025.02

Finding the Fourth Proportional to 281,349.42, 388,262.21 and 154,025.02

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Solution

The fourth proportional to 281,349.42, 388,262.21 and 154,025.02 is: 212,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,349.42 : 388,262.21 = 154,025.02 : x
  2. Step 2: Convert to fraction form
    281,349.42/388,262.21 = 154,025.02/x
  3. Step 3: Cross multiply
    281,349.42x = 388,262.21 × 154,025.02
  4. Step 4: Simplify right side
    281,349.42x = 59,802,094,150.10
  5. Step 5: Solve for x
    x = 59,802,094,150.10/281,349.42
  6. Step 6: Final answer
    x = 212,554.53

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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.