Home / 289,933.37-434,795.84-100,342.27

Finding the Fourth Proportional to 289,933.37, 434,795.84 and 100,342.27

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Solution

The fourth proportional to 289,933.37, 434,795.84 and 100,342.27 is: 150,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,933.37 : 434,795.84 = 100,342.27 : x
  2. Step 2: Convert to fraction form
    289,933.37/434,795.84 = 100,342.27/x
  3. Step 3: Cross multiply
    289,933.37x = 434,795.84 × 100,342.27
  4. Step 4: Simplify right side
    289,933.37x = 43,628,401,572.16
  5. Step 5: Solve for x
    x = 43,628,401,572.16/289,933.37
  6. Step 6: Final answer
    x = 150,477.34

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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.