Finding the Fourth Proportional to 218,175.99, 301,084.66 and 122,681.85
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Solution
The fourth proportional to 218,175.99, 301,084.66 and 122,681.85 is: 169,301.96
Step by Step Solution
- Step 1: Write the proportion equation
218,175.99 : 301,084.66 = 122,681.85 : x - Step 2: Convert to fraction form
218,175.99/301,084.66 = 122,681.85/x - Step 3: Cross multiply
218,175.99x = 301,084.66 × 122,681.85 - Step 4: Simplify right side
218,175.99x = 36,937,623,095.42 - Step 5: Solve for x
x = 36,937,623,095.42/218,175.99 - Step 6: Final answer
x = 169,301.96
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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.