Finding the Fourth Proportional to 80,205.21, 110,671.61 and 44,395.14
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Solution
The fourth proportional to 80,205.21, 110,671.61 and 44,395.14 is: 61,258.88
Step by Step Solution
- Step 1: Write the proportion equation
80,205.21 : 110,671.61 = 44,395.14 : x - Step 2: Convert to fraction form
80,205.21/110,671.61 = 44,395.14/x - Step 3: Cross multiply
80,205.21x = 110,671.61 × 44,395.14 - Step 4: Simplify right side
80,205.21x = 4,913,281,398.00 - Step 5: Solve for x
x = 4,913,281,398.00/80,205.21 - Step 6: Final answer
x = 61,258.88
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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.