Finding the Fourth Proportional to 242,497.37, 334,612.08 and 137,717.75
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Solution
The fourth proportional to 242,497.37, 334,612.08 and 137,717.75 is: 190,031.02
Step by Step Solution
- Step 1: Write the proportion equation
242,497.37 : 334,612.08 = 137,717.75 : x - Step 2: Convert to fraction form
242,497.37/334,612.08 = 137,717.75/x - Step 3: Cross multiply
242,497.37x = 334,612.08 × 137,717.75 - Step 4: Simplify right side
242,497.37x = 46,082,021,107.36 - Step 5: Solve for x
x = 46,082,021,107.36/242,497.37 - Step 6: Final answer
x = 190,031.02
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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.