Home / 292,865.87-438,797.31-159,839.47

Finding the Fourth Proportional to 292,865.87, 438,797.31 and 159,839.47

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Solution

The fourth proportional to 292,865.87, 438,797.31 and 159,839.47 is: 239,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,865.87 : 438,797.31 = 159,839.47 : x
  2. Step 2: Convert to fraction form
    292,865.87/438,797.31 = 159,839.47/x
  3. Step 3: Cross multiply
    292,865.87x = 438,797.31 × 159,839.47
  4. Step 4: Simplify right side
    292,865.87x = 70,137,129,467.83
  5. Step 5: Solve for x
    x = 70,137,129,467.83/292,865.87
  6. Step 6: Final answer
    x = 239,485.50

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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.