Finding the Fourth Proportional to 191,476.58, 264,237.56 and 106,613.68
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Solution
The fourth proportional to 191,476.58, 264,237.56 and 106,613.68 is: 147,126.81
Step by Step Solution
- Step 1: Write the proportion equation
191,476.58 : 264,237.56 = 106,613.68 : x - Step 2: Convert to fraction form
191,476.58/264,237.56 = 106,613.68/x - Step 3: Cross multiply
191,476.58x = 264,237.56 × 106,613.68 - Step 4: Simplify right side
191,476.58x = 28,171,338,665.82 - Step 5: Solve for x
x = 28,171,338,665.82/191,476.58 - Step 6: Final answer
x = 147,126.81
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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.