Finding the Fourth Proportional to 242,074.92, 363,122.14 and 84,319.32
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Solution
The fourth proportional to 242,074.92, 363,122.14 and 84,319.32 is: 126,482.38
Step by Step Solution
- Step 1: Write the proportion equation
242,074.92 : 363,122.14 = 84,319.32 : x - Step 2: Convert to fraction form
242,074.92/363,122.14 = 84,319.32/x - Step 3: Cross multiply
242,074.92x = 363,122.14 × 84,319.32 - Step 4: Simplify right side
242,074.92x = 30,618,211,921.74 - Step 5: Solve for x
x = 30,618,211,921.74/242,074.92 - Step 6: Final answer
x = 126,482.38
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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.