Finding the Fourth Proportional to 197,742.42, 272,933.34 and 112,908.66
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Solution
The fourth proportional to 197,742.42, 272,933.34 and 112,908.66 is: 155,841.82
Step by Step Solution
- Step 1: Write the proportion equation
197,742.42 : 272,933.34 = 112,908.66 : x - Step 2: Convert to fraction form
197,742.42/272,933.34 = 112,908.66/x - Step 3: Cross multiply
197,742.42x = 272,933.34 × 112,908.66 - Step 4: Simplify right side
197,742.42x = 30,816,537,688.72 - Step 5: Solve for x
x = 30,816,537,688.72/197,742.42 - Step 6: Final answer
x = 155,841.82
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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.