Finding the Fourth Proportional to 157,468.10, 236,202.15 and 97,544.30
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Solution
The fourth proportional to 157,468.10, 236,202.15 and 97,544.30 is: 146,316.45
Step by Step Solution
- Step 1: Write the proportion equation
157,468.10 : 236,202.15 = 97,544.30 : x - Step 2: Convert to fraction form
157,468.10/236,202.15 = 97,544.30/x - Step 3: Cross multiply
157,468.10x = 236,202.15 × 97,544.30 - Step 4: Simplify right side
157,468.10x = 23,040,173,380.25 - Step 5: Solve for x
x = 23,040,173,380.25/157,468.10 - Step 6: Final answer
x = 146,316.45
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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.