Home / 283,217.37-390,849.54-154,160.54

Finding the Fourth Proportional to 283,217.37, 390,849.54 and 154,160.54

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Solution

The fourth proportional to 283,217.37, 390,849.54 and 154,160.54 is: 212,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,217.37 : 390,849.54 = 154,160.54 : x
  2. Step 2: Convert to fraction form
    283,217.37/390,849.54 = 154,160.54/x
  3. Step 3: Cross multiply
    283,217.37x = 390,849.54 × 154,160.54
  4. Step 4: Simplify right side
    283,217.37x = 60,253,574,190.90
  5. Step 5: Solve for x
    x = 60,253,574,190.90/283,217.37
  6. Step 6: Final answer
    x = 212,746.75

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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.