Home / 248,284.28-342,640.05-140,858.84

Finding the Fourth Proportional to 248,284.28, 342,640.05 and 140,858.84

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Solution

The fourth proportional to 248,284.28, 342,640.05 and 140,858.84 is: 194,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,284.28 : 342,640.05 = 140,858.84 : x
  2. Step 2: Convert to fraction form
    248,284.28/342,640.05 = 140,858.84/x
  3. Step 3: Cross multiply
    248,284.28x = 342,640.05 × 140,858.84
  4. Step 4: Simplify right side
    248,284.28x = 48,263,879,980.54
  5. Step 5: Solve for x
    x = 48,263,879,980.54/248,284.28
  6. Step 6: Final answer
    x = 194,389.59

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1.5x scale

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.