Finding the Fourth Proportional to 256,733.82, 385,191.98 and 114,566.18
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Solution
The fourth proportional to 256,733.82, 385,191.98 and 114,566.18 is: 171,889.99
Step by Step Solution
- Step 1: Write the proportion equation
256,733.82 : 385,191.98 = 114,566.18 : x - Step 2: Convert to fraction form
256,733.82/385,191.98 = 114,566.18/x - Step 3: Cross multiply
256,733.82x = 385,191.98 × 114,566.18 - Step 4: Simplify right side
256,733.82x = 44,129,973,715.24 - Step 5: Solve for x
x = 44,129,973,715.24/256,733.82 - Step 6: Final answer
x = 171,889.99
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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.