Finding the Fourth Proportional to 211,402.73, 317,070.35 and 61,607.99
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Solution
The fourth proportional to 211,402.73, 317,070.35 and 61,607.99 is: 92,402.15
Step by Step Solution
- Step 1: Write the proportion equation
211,402.73 : 317,070.35 = 61,607.99 : x - Step 2: Convert to fraction form
211,402.73/317,070.35 = 61,607.99/x - Step 3: Cross multiply
211,402.73x = 317,070.35 × 61,607.99 - Step 4: Simplify right side
211,402.73x = 19,534,067,436.73 - Step 5: Solve for x
x = 19,534,067,436.73/211,402.73 - Step 6: Final answer
x = 92,402.15
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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.