Finding the Fourth Proportional to 197,686.98, 272,808.54 and 107,044.07
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Solution
The fourth proportional to 197,686.98, 272,808.54 and 107,044.07 is: 147,721.08
Step by Step Solution
- Step 1: Write the proportion equation
197,686.98 : 272,808.54 = 107,044.07 : x - Step 2: Convert to fraction form
197,686.98/272,808.54 = 107,044.07/x - Step 3: Cross multiply
197,686.98x = 272,808.54 × 107,044.07 - Step 4: Simplify right side
197,686.98x = 29,202,535,088.32 - Step 5: Solve for x
x = 29,202,535,088.32/197,686.98 - Step 6: Final answer
x = 147,721.08
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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.