Finding the Fourth Proportional to 217,117.42, 325,686.93 and 67,459.66
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Solution
The fourth proportional to 217,117.42, 325,686.93 and 67,459.66 is: 101,192.85
Step by Step Solution
- Step 1: Write the proportion equation
217,117.42 : 325,686.93 = 67,459.66 : x - Step 2: Convert to fraction form
217,117.42/325,686.93 = 67,459.66/x - Step 3: Cross multiply
217,117.42x = 325,686.93 × 67,459.66 - Step 4: Simplify right side
217,117.42x = 21,970,729,564.24 - Step 5: Solve for x
x = 21,970,729,564.24/217,117.42 - Step 6: Final answer
x = 101,192.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.