Finding the Fourth Proportional to 242,958.15, 335,137.91 and 189,157.95
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Solution
The fourth proportional to 242,958.15, 335,137.91 and 189,157.95 is: 260,925.59
Step by Step Solution
- Step 1: Write the proportion equation
242,958.15 : 335,137.91 = 189,157.95 : x - Step 2: Convert to fraction form
242,958.15/335,137.91 = 189,157.95/x - Step 3: Cross multiply
242,958.15x = 335,137.91 × 189,157.95 - Step 4: Simplify right side
242,958.15x = 63,393,999,077.09 - Step 5: Solve for x
x = 63,393,999,077.09/242,958.15 - Step 6: Final answer
x = 260,925.59
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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.