Home / 285,243.36-427,398.40-151,982.24

Finding the Fourth Proportional to 285,243.36, 427,398.40 and 151,982.24

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Solution

The fourth proportional to 285,243.36, 427,398.40 and 151,982.24 is: 227,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,243.36 : 427,398.40 = 151,982.24 : x
  2. Step 2: Convert to fraction form
    285,243.36/427,398.40 = 151,982.24/x
  3. Step 3: Cross multiply
    285,243.36x = 427,398.40 × 151,982.24
  4. Step 4: Simplify right side
    285,243.36x = 64,956,966,204.42
  5. Step 5: Solve for x
    x = 64,956,966,204.42/285,243.36
  6. Step 6: Final answer
    x = 227,724.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.