Finding the Fourth Proportional to 221,975.98, 306,328.02 and 121,373.98
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Solution
The fourth proportional to 221,975.98, 306,328.02 and 121,373.98 is: 167,496.73
Step by Step Solution
- Step 1: Write the proportion equation
221,975.98 : 306,328.02 = 121,373.98 : x - Step 2: Convert to fraction form
221,975.98/306,328.02 = 121,373.98/x - Step 3: Cross multiply
221,975.98x = 306,328.02 × 121,373.98 - Step 4: Simplify right side
221,975.98x = 37,180,250,972.92 - Step 5: Solve for x
x = 37,180,250,972.92/221,975.98 - Step 6: Final answer
x = 167,496.73
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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.