Finding the Fourth Proportional to 316,151.00, 474,251.25 and 91,514.81
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Solution
The fourth proportional to 316,151.00, 474,251.25 and 91,514.81 is: 137,279.38
Step by Step Solution
- Step 1: Write the proportion equation
316,151.00 : 474,251.25 = 91,514.81 : x - Step 2: Convert to fraction form
316,151.00/474,251.25 = 91,514.81/x - Step 3: Cross multiply
316,151.00x = 474,251.25 × 91,514.81 - Step 4: Simplify right side
316,151.00x = 43,401,011,850.38 - Step 5: Solve for x
x = 43,401,011,850.38/316,151.00 - Step 6: Final answer
x = 137,279.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.