Finding the Fourth Proportional to 547,938.68, 756,152.84 and 306,221.11
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Solution
The fourth proportional to 547,938.68, 756,152.84 and 306,221.11 is: 422,583.70
Step by Step Solution
- Step 1: Write the proportion equation
547,938.68 : 756,152.84 = 306,221.11 : x - Step 2: Convert to fraction form
547,938.68/756,152.84 = 306,221.11/x - Step 3: Cross multiply
547,938.68x = 756,152.84 × 306,221.11 - Step 4: Simplify right side
547,938.68x = 231,549,956,682.58 - Step 5: Solve for x
x = 231,549,956,682.58/547,938.68 - Step 6: Final answer
x = 422,583.70
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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.