Finding the Fourth Proportional to 266,476.74, 367,722.28 and 145,618.97
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Solution
The fourth proportional to 266,476.74, 367,722.28 and 145,618.97 is: 200,945.64
Step by Step Solution
- Step 1: Write the proportion equation
266,476.74 : 367,722.28 = 145,618.97 : x - Step 2: Convert to fraction form
266,476.74/367,722.28 = 145,618.97/x - Step 3: Cross multiply
266,476.74x = 367,722.28 × 145,618.97 - Step 4: Simplify right side
266,476.74x = 53,547,338,003.06 - Step 5: Solve for x
x = 53,547,338,003.06/266,476.74 - Step 6: Final answer
x = 200,945.64
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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.