Home / 302,901.14-454,405.73-100,509.39

Finding the Fourth Proportional to 302,901.14, 454,405.73 and 100,509.39

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Solution

The fourth proportional to 302,901.14, 454,405.73 and 100,509.39 is: 150,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,901.14 : 454,405.73 = 100,509.39 : x
  2. Step 2: Convert to fraction form
    302,901.14/454,405.73 = 100,509.39/x
  3. Step 3: Cross multiply
    302,901.14x = 454,405.73 × 100,509.39
  4. Step 4: Simplify right side
    302,901.14x = 45,672,042,232.26
  5. Step 5: Solve for x
    x = 45,672,042,232.26/302,901.14
  6. Step 6: Final answer
    x = 150,782.01

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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.