Home / 230,258.14-345,465.63-140,480.58

Finding the Fourth Proportional to 230,258.14, 345,465.63 and 140,480.58

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Solution

The fourth proportional to 230,258.14, 345,465.63 and 140,480.58 is: 210,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,258.14 : 345,465.63 = 140,480.58 : x
  2. Step 2: Convert to fraction form
    230,258.14/345,465.63 = 140,480.58/x
  3. Step 3: Cross multiply
    230,258.14x = 345,465.63 × 140,480.58
  4. Step 4: Simplify right side
    230,258.14x = 48,531,213,367.96
  5. Step 5: Solve for x
    x = 48,531,213,367.96/230,258.14
  6. Step 6: Final answer
    x = 210,768.72

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1.5x scale

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.