Finding the Fourth Proportional to 237,894.68, 328,294.32 and 137,292.68
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Solution
The fourth proportional to 237,894.68, 328,294.32 and 137,292.68 is: 189,463.70
Step by Step Solution
- Step 1: Write the proportion equation
237,894.68 : 328,294.32 = 137,292.68 : x - Step 2: Convert to fraction form
237,894.68/328,294.32 = 137,292.68/x - Step 3: Cross multiply
237,894.68x = 328,294.32 × 137,292.68 - Step 4: Simplify right side
237,894.68x = 45,072,407,021.58 - Step 5: Solve for x
x = 45,072,407,021.58/237,894.68 - Step 6: Final answer
x = 189,463.70
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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.