Finding the Fourth Proportional to 212,239.99, 292,888.06 and 116,740.99
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Solution
The fourth proportional to 212,239.99, 292,888.06 and 116,740.99 is: 161,100.85
Step by Step Solution
- Step 1: Write the proportion equation
212,239.99 : 292,888.06 = 116,740.99 : x - Step 2: Convert to fraction form
212,239.99/292,888.06 = 116,740.99/x - Step 3: Cross multiply
212,239.99x = 292,888.06 × 116,740.99 - Step 4: Simplify right side
212,239.99x = 34,192,042,083.58 - Step 5: Solve for x
x = 34,192,042,083.58/212,239.99 - Step 6: Final answer
x = 161,100.85
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1.5x scale
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.