Finding the Fourth Proportional to 224,162.49, 309,339.62 and 122,187.07
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Solution
The fourth proportional to 224,162.49, 309,339.62 and 122,187.07 is: 168,615.63
Step by Step Solution
- Step 1: Write the proportion equation
224,162.49 : 309,339.62 = 122,187.07 : x - Step 2: Convert to fraction form
224,162.49/309,339.62 = 122,187.07/x - Step 3: Cross multiply
224,162.49x = 309,339.62 × 122,187.07 - Step 4: Simplify right side
224,162.49x = 37,797,299,645.08 - Step 5: Solve for x
x = 37,797,299,645.08/224,162.49 - Step 6: Final answer
x = 168,615.63
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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.