Finding the Fourth Proportional to 211,372.67, 317,070.14 and 53,602.49
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Solution
The fourth proportional to 211,372.67, 317,070.14 and 53,602.49 is: 80,406.55
Step by Step Solution
- Step 1: Write the proportion equation
211,372.67 : 317,070.14 = 53,602.49 : x - Step 2: Convert to fraction form
211,372.67/317,070.14 = 53,602.49/x - Step 3: Cross multiply
211,372.67x = 317,070.14 × 53,602.49 - Step 4: Simplify right side
211,372.67x = 16,995,747,155.29 - Step 5: Solve for x
x = 16,995,747,155.29/211,372.67 - Step 6: Final answer
x = 80,406.55
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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.