Finding the Fourth Proportional to 514,492.56, 771,738.84 and 214,809.98
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Solution
The fourth proportional to 514,492.56, 771,738.84 and 214,809.98 is: 322,214.96
Step by Step Solution
- Step 1: Write the proportion equation
514,492.56 : 771,738.84 = 214,809.98 : x - Step 2: Convert to fraction form
514,492.56/771,738.84 = 214,809.98/x - Step 3: Cross multiply
514,492.56x = 771,738.84 × 214,809.98 - Step 4: Simplify right side
514,492.56x = 165,777,200,926.93 - Step 5: Solve for x
x = 165,777,200,926.93/514,492.56 - Step 6: Final answer
x = 322,214.96
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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.