Home / 282,060.24-389,253.26-154,739.58

Finding the Fourth Proportional to 282,060.24, 389,253.26 and 154,739.58

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Solution

The fourth proportional to 282,060.24, 389,253.26 and 154,739.58 is: 213,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,060.24 : 389,253.26 = 154,739.58 : x
  2. Step 2: Convert to fraction form
    282,060.24/389,253.26 = 154,739.58/x
  3. Step 3: Cross multiply
    282,060.24x = 389,253.26 × 154,739.58
  4. Step 4: Simplify right side
    282,060.24x = 60,232,886,352.88
  5. Step 5: Solve for x
    x = 60,232,886,352.88/282,060.24
  6. Step 6: Final answer
    x = 213,546.18

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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.