Home / 281,231.14-388,280.10-250,964.42

Finding the Fourth Proportional to 281,231.14, 388,280.10 and 250,964.42

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Solution

The fourth proportional to 281,231.14, 388,280.10 and 250,964.42 is: 346,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,231.14 : 388,280.10 = 250,964.42 : x
  2. Step 2: Convert to fraction form
    281,231.14/388,280.10 = 250,964.42/x
  3. Step 3: Cross multiply
    281,231.14x = 388,280.10 × 250,964.42
  4. Step 4: Simplify right side
    281,231.14x = 97,444,490,094.04
  5. Step 5: Solve for x
    x = 97,444,490,094.04/281,231.14
  6. Step 6: Final answer
    x = 346,492.53

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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.