Finding the Fourth Proportional to 202,904.02, 280,097.25 and 121,261.09
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Solution
The fourth proportional to 202,904.02, 280,097.25 and 121,261.09 is: 167,393.91
Step by Step Solution
- Step 1: Write the proportion equation
202,904.02 : 280,097.25 = 121,261.09 : x - Step 2: Convert to fraction form
202,904.02/280,097.25 = 121,261.09/x - Step 3: Cross multiply
202,904.02x = 280,097.25 × 121,261.09 - Step 4: Simplify right side
202,904.02x = 33,964,897,841.00 - Step 5: Solve for x
x = 33,964,897,841.00/202,904.02 - Step 6: Final answer
x = 167,393.91
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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.