Finding the Fourth Proportional to 197,802.76, 272,967.44 and 107,160.99
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Solution
The fourth proportional to 197,802.76, 272,967.44 and 107,160.99 is: 147,881.97
Step by Step Solution
- Step 1: Write the proportion equation
197,802.76 : 272,967.44 = 107,160.99 : x - Step 2: Convert to fraction form
197,802.76/272,967.44 = 107,160.99/x - Step 3: Cross multiply
197,802.76x = 272,967.44 × 107,160.99 - Step 4: Simplify right side
197,802.76x = 29,251,460,836.76 - Step 5: Solve for x
x = 29,251,460,836.76/197,802.76 - Step 6: Final answer
x = 147,881.97
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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.