Finding the Fourth Proportional to 197,643.71, 272,750.49 and 107,001.61
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Solution
The fourth proportional to 197,643.71, 272,750.49 and 107,001.61 is: 147,663.39
Step by Step Solution
- Step 1: Write the proportion equation
197,643.71 : 272,750.49 = 107,001.61 : x - Step 2: Convert to fraction form
197,643.71/272,750.49 = 107,001.61/x - Step 3: Cross multiply
197,643.71x = 272,750.49 × 107,001.61 - Step 4: Simplify right side
197,643.71x = 29,184,740,876.41 - Step 5: Solve for x
x = 29,184,740,876.41/197,643.71 - Step 6: Final answer
x = 147,663.39
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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.