Home / 282,148.84-389,364.33-154,826.56

Finding the Fourth Proportional to 282,148.84, 389,364.33 and 154,826.56

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Solution

The fourth proportional to 282,148.84, 389,364.33 and 154,826.56 is: 213,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,148.84 : 389,364.33 = 154,826.56 : x
  2. Step 2: Convert to fraction form
    282,148.84/389,364.33 = 154,826.56/x
  3. Step 3: Cross multiply
    282,148.84x = 389,364.33 × 154,826.56
  4. Step 4: Simplify right side
    282,148.84x = 60,283,939,800.60
  5. Step 5: Solve for x
    x = 60,283,939,800.60/282,148.84
  6. Step 6: Final answer
    x = 213,660.07

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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.