Finding the Fourth Proportional to 218,594.36, 301,675.65 and 121,804.63
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Solution
The fourth proportional to 218,594.36, 301,675.65 and 121,804.63 is: 168,098.99
Step by Step Solution
- Step 1: Write the proportion equation
218,594.36 : 301,675.65 = 121,804.63 : x - Step 2: Convert to fraction form
218,594.36/301,675.65 = 121,804.63/x - Step 3: Cross multiply
218,594.36x = 301,675.65 × 121,804.63 - Step 4: Simplify right side
218,594.36x = 36,745,490,928.26 - Step 5: Solve for x
x = 36,745,490,928.26/218,594.36 - Step 6: Final answer
x = 168,098.99
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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.