Home / 292,865.81-438,797.21-159,839.41

Finding the Fourth Proportional to 292,865.81, 438,797.21 and 159,839.41

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Solution

The fourth proportional to 292,865.81, 438,797.21 and 159,839.41 is: 239,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,865.81 : 438,797.21 = 159,839.41 : x
  2. Step 2: Convert to fraction form
    292,865.81/438,797.21 = 159,839.41/x
  3. Step 3: Cross multiply
    292,865.81x = 438,797.21 × 159,839.41
  4. Step 4: Simplify right side
    292,865.81x = 70,137,087,156.05
  5. Step 5: Solve for x
    x = 70,137,087,156.05/292,865.81
  6. Step 6: Final answer
    x = 239,485.41

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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.