Finding the Fourth Proportional to 197,790.84, 272,952.18 and 107,146.98
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Solution
The fourth proportional to 197,790.84, 272,952.18 and 107,146.98 is: 147,863.28
Step by Step Solution
- Step 1: Write the proportion equation
197,790.84 : 272,952.18 = 107,146.98 : x - Step 2: Convert to fraction form
197,790.84/272,952.18 = 107,146.98/x - Step 3: Cross multiply
197,790.84x = 272,952.18 × 107,146.98 - Step 4: Simplify right side
197,790.84x = 29,246,001,771.42 - Step 5: Solve for x
x = 29,246,001,771.42/197,790.84 - Step 6: Final answer
x = 147,863.28
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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.