Home / 399,629.49-599,054.63-159,671.85

Finding the Fourth Proportional to 399,629.49, 599,054.63 and 159,671.85

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Solution

The fourth proportional to 399,629.49, 599,054.63 and 159,671.85 is: 239,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,629.49 : 599,054.63 = 159,671.85 : x
  2. Step 2: Convert to fraction form
    399,629.49/599,054.63 = 159,671.85/x
  3. Step 3: Cross multiply
    399,629.49x = 599,054.63 × 159,671.85
  4. Step 4: Simplify right side
    399,629.49x = 95,652,160,224.81
  5. Step 5: Solve for x
    x = 95,652,160,224.81/399,629.49
  6. Step 6: Final answer
    x = 239,352.11

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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.