Finding the Fourth Proportional to 224,162.42, 309,339.52 and 122,186.99
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Solution
The fourth proportional to 224,162.42, 309,339.52 and 122,186.99 is: 168,615.53
Step by Step Solution
- Step 1: Write the proportion equation
224,162.42 : 309,339.52 = 122,186.99 : x - Step 2: Convert to fraction form
224,162.42/309,339.52 = 122,186.99/x - Step 3: Cross multiply
224,162.42x = 309,339.52 × 122,186.99 - Step 4: Simplify right side
224,162.42x = 37,797,265,691.40 - Step 5: Solve for x
x = 37,797,265,691.40/224,162.42 - Step 6: Final answer
x = 168,615.53
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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.