Finding the Fourth Proportional to 218,476.62, 301,642.74 and 136,927.44
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Solution
The fourth proportional to 218,476.62, 301,642.74 and 136,927.44 is: 189,050.75
Step by Step Solution
- Step 1: Write the proportion equation
218,476.62 : 301,642.74 = 136,927.44 : x - Step 2: Convert to fraction form
218,476.62/301,642.74 = 136,927.44/x - Step 3: Cross multiply
218,476.62x = 301,642.74 × 136,927.44 - Step 4: Simplify right side
218,476.62x = 41,303,168,182.79 - Step 5: Solve for x
x = 41,303,168,182.79/218,476.62 - Step 6: Final answer
x = 189,050.75
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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.