Finding the Fourth Proportional to 237,780.75, 328,137.44 and 137,178.75
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Solution
The fourth proportional to 237,780.75, 328,137.44 and 137,178.75 is: 189,306.68
Step by Step Solution
- Step 1: Write the proportion equation
237,780.75 : 328,137.44 = 137,178.75 : x - Step 2: Convert to fraction form
237,780.75/328,137.44 = 137,178.75/x - Step 3: Cross multiply
237,780.75x = 328,137.44 × 137,178.75 - Step 4: Simplify right side
237,780.75x = 45,013,483,161.51 - Step 5: Solve for x
x = 45,013,483,161.51/237,780.75 - Step 6: Final answer
x = 189,306.68
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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.