Finding the Fourth Proportional to 197,243.08, 272,199.62 and 107,819.08
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Solution
The fourth proportional to 197,243.08, 272,199.62 and 107,819.08 is: 148,792.61
Step by Step Solution
- Step 1: Write the proportion equation
197,243.08 : 272,199.62 = 107,819.08 : x - Step 2: Convert to fraction form
197,243.08/272,199.62 = 107,819.08/x - Step 3: Cross multiply
197,243.08x = 272,199.62 × 107,819.08 - Step 4: Simplify right side
197,243.08x = 29,348,312,604.75 - Step 5: Solve for x
x = 29,348,312,604.75/197,243.08 - Step 6: Final answer
x = 148,792.61
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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.