Finding the Fourth Proportional to 96,801.12, 145,183.68 and 30,242.88
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Solution
The fourth proportional to 96,801.12, 145,183.68 and 30,242.88 is: 45,358.70
Step by Step Solution
- Step 1: Write the proportion equation
96,801.12 : 145,183.68 = 30,242.88 : x - Step 2: Convert to fraction form
96,801.12/145,183.68 = 30,242.88/x - Step 3: Cross multiply
96,801.12x = 145,183.68 × 30,242.88 - Step 4: Simplify right side
96,801.12x = 4,390,772,612.20 - Step 5: Solve for x
x = 4,390,772,612.20/96,801.12 - Step 6: Final answer
x = 45,358.70
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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.