Finding the Fourth Proportional to 254,715.84, 381,548.70 and 149,214.96
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Solution
The fourth proportional to 254,715.84, 381,548.70 and 149,214.96 is: 223,514.85
Step by Step Solution
- Step 1: Write the proportion equation
254,715.84 : 381,548.70 = 149,214.96 : x - Step 2: Convert to fraction form
254,715.84/381,548.70 = 149,214.96/x - Step 3: Cross multiply
254,715.84x = 381,548.70 × 149,214.96 - Step 4: Simplify right side
254,715.84x = 56,932,774,008.55 - Step 5: Solve for x
x = 56,932,774,008.55/254,715.84 - Step 6: Final answer
x = 223,514.85
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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.