Finding the Fourth Proportional to 134,674.74, 185,842.80 and 74,242.26
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Solution
The fourth proportional to 134,674.74, 185,842.80 and 74,242.26 is: 102,449.72
Step by Step Solution
- Step 1: Write the proportion equation
134,674.74 : 185,842.80 = 74,242.26 : x - Step 2: Convert to fraction form
134,674.74/185,842.80 = 74,242.26/x - Step 3: Cross multiply
134,674.74x = 185,842.80 × 74,242.26 - Step 4: Simplify right side
134,674.74x = 13,797,389,476.73 - Step 5: Solve for x
x = 13,797,389,476.73/134,674.74 - Step 6: Final answer
x = 102,449.72
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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.