Home / 402,639.93-603,517.02-165,853.44

Finding the Fourth Proportional to 402,639.93, 603,517.02 and 165,853.44

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Solution

The fourth proportional to 402,639.93, 603,517.02 and 165,853.44 is: 248,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,639.93 : 603,517.02 = 165,853.44 : x
  2. Step 2: Convert to fraction form
    402,639.93/603,517.02 = 165,853.44/x
  3. Step 3: Cross multiply
    402,639.93x = 603,517.02 × 165,853.44
  4. Step 4: Simplify right side
    402,639.93x = 100,095,373,865.55
  5. Step 5: Solve for x
    x = 100,095,373,865.55/402,639.93
  6. Step 6: Final answer
    x = 248,597.73

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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.