Finding the Fourth Proportional to 242,257.20, 363,446.36 and 238,238.96
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Solution
The fourth proportional to 242,257.20, 363,446.36 and 238,238.96 is: 357,418.00
Step by Step Solution
- Step 1: Write the proportion equation
242,257.20 : 363,446.36 = 238,238.96 : x - Step 2: Convert to fraction form
242,257.20/363,446.36 = 238,238.96/x - Step 3: Cross multiply
242,257.20x = 363,446.36 × 238,238.96 - Step 4: Simplify right side
242,257.20x = 86,587,082,822.19 - Step 5: Solve for x
x = 86,587,082,822.19/242,257.20 - Step 6: Final answer
x = 357,418.00
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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.