Finding the Fourth Proportional to 218,482.66, 301,502.73 and 122,989.06
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Solution
The fourth proportional to 218,482.66, 301,502.73 and 122,989.06 is: 169,723.02
Step by Step Solution
- Step 1: Write the proportion equation
218,482.66 : 301,502.73 = 122,989.06 : x - Step 2: Convert to fraction form
218,482.66/301,502.73 = 122,989.06/x - Step 3: Cross multiply
218,482.66x = 301,502.73 × 122,989.06 - Step 4: Simplify right side
218,482.66x = 37,081,537,350.13 - Step 5: Solve for x
x = 37,081,537,350.13/218,482.66 - Step 6: Final answer
x = 169,723.02
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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.