Finding the Fourth Proportional to 211,374.67, 317,073.14 and 53,604.49
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Solution
The fourth proportional to 211,374.67, 317,073.14 and 53,604.49 is: 80,409.56
Step by Step Solution
- Step 1: Write the proportion equation
211,374.67 : 317,073.14 = 53,604.49 : x - Step 2: Convert to fraction form
211,374.67/317,073.14 = 53,604.49/x - Step 3: Cross multiply
211,374.67x = 317,073.14 × 53,604.49 - Step 4: Simplify right side
211,374.67x = 16,996,543,962.40 - Step 5: Solve for x
x = 16,996,543,962.40/211,374.67 - Step 6: Final answer
x = 80,409.56
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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.