Home / 282,076.20-389,262.87-153,014.31

Finding the Fourth Proportional to 282,076.20, 389,262.87 and 153,014.31

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Solution

The fourth proportional to 282,076.20, 389,262.87 and 153,014.31 is: 211,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,076.20 : 389,262.87 = 153,014.31 : x
  2. Step 2: Convert to fraction form
    282,076.20/389,262.87 = 153,014.31/x
  3. Step 3: Cross multiply
    282,076.20x = 389,262.87 × 153,014.31
  4. Step 4: Simplify right side
    282,076.20x = 59,562,789,461.67
  5. Step 5: Solve for x
    x = 59,562,789,461.67/282,076.20
  6. Step 6: Final answer
    x = 211,158.51

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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.