Finding the Fourth Proportional to 211,802.37, 317,703.67 and 132,971.95
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Solution
The fourth proportional to 211,802.37, 317,703.67 and 132,971.95 is: 199,458.00
Step by Step Solution
- Step 1: Write the proportion equation
211,802.37 : 317,703.67 = 132,971.95 : x - Step 2: Convert to fraction form
211,802.37/317,703.67 = 132,971.95/x - Step 3: Cross multiply
211,802.37x = 317,703.67 × 132,971.95 - Step 4: Simplify right side
211,802.37x = 42,245,676,522.06 - Step 5: Solve for x
x = 42,245,676,522.06/211,802.37 - Step 6: Final answer
x = 199,458.00
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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.