Finding the Fourth Proportional to 252,327.10, 378,178.98 and 216,536.84
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Solution
The fourth proportional to 252,327.10, 378,178.98 and 216,536.84 is: 324,537.81
Step by Step Solution
- Step 1: Write the proportion equation
252,327.10 : 378,178.98 = 216,536.84 : x - Step 2: Convert to fraction form
252,327.10/378,178.98 = 216,536.84/x - Step 3: Cross multiply
252,327.10x = 378,178.98 × 216,536.84 - Step 4: Simplify right side
252,327.10x = 81,889,683,953.17 - Step 5: Solve for x
x = 81,889,683,953.17/252,327.10 - Step 6: Final answer
x = 324,537.81
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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.