Finding the Fourth Proportional to 212,848.66, 293,743.56 and 122,204.80
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Solution
The fourth proportional to 212,848.66, 293,743.56 and 122,204.80 is: 168,649.75
Step by Step Solution
- Step 1: Write the proportion equation
212,848.66 : 293,743.56 = 122,204.80 : x - Step 2: Convert to fraction form
212,848.66/293,743.56 = 122,204.80/x - Step 3: Cross multiply
212,848.66x = 293,743.56 × 122,204.80 - Step 4: Simplify right side
212,848.66x = 35,896,873,001.09 - Step 5: Solve for x
x = 35,896,873,001.09/212,848.66 - Step 6: Final answer
x = 168,649.75
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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.