Home / 301,857.47-452,038.84-221,705.36

Finding the Fourth Proportional to 301,857.47, 452,038.84 and 221,705.36

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Solution

The fourth proportional to 301,857.47, 452,038.84 and 221,705.36 is: 332,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,857.47 : 452,038.84 = 221,705.36 : x
  2. Step 2: Convert to fraction form
    301,857.47/452,038.84 = 221,705.36/x
  3. Step 3: Cross multiply
    301,857.47x = 452,038.84 × 221,705.36
  4. Step 4: Simplify right side
    301,857.47x = 100,219,431,517.56
  5. Step 5: Solve for x
    x = 100,219,431,517.56/301,857.47
  6. Step 6: Final answer
    x = 332,009.12

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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.