Finding the Fourth Proportional to 221,846.03, 306,147.62 and 121,244.03
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Solution
The fourth proportional to 221,846.03, 306,147.62 and 121,244.03 is: 167,316.82
Step by Step Solution
- Step 1: Write the proportion equation
221,846.03 : 306,147.62 = 121,244.03 : x - Step 2: Convert to fraction form
221,846.03/306,147.62 = 121,244.03/x - Step 3: Cross multiply
221,846.03x = 306,147.62 × 121,244.03 - Step 4: Simplify right side
221,846.03x = 37,118,571,223.71 - Step 5: Solve for x
x = 37,118,571,223.71/221,846.03 - Step 6: Final answer
x = 167,316.82
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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.