Finding the Fourth Proportional to 221,036.07, 304,896.81 and 134,955.75
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Solution
The fourth proportional to 221,036.07, 304,896.81 and 134,955.75 is: 186,157.75
Step by Step Solution
- Step 1: Write the proportion equation
221,036.07 : 304,896.81 = 134,955.75 : x - Step 2: Convert to fraction form
221,036.07/304,896.81 = 134,955.75/x - Step 3: Cross multiply
221,036.07x = 304,896.81 × 134,955.75 - Step 4: Simplify right side
221,036.07x = 41,147,577,666.16 - Step 5: Solve for x
x = 41,147,577,666.16/221,036.07 - Step 6: Final answer
x = 186,157.75
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1.5x scale
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.