Finding the Fourth Proportional to 327,621.95, 452,257.79 and 220,254.26
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Solution
The fourth proportional to 327,621.95, 452,257.79 and 220,254.26 is: 304,044.66
Step by Step Solution
- Step 1: Write the proportion equation
327,621.95 : 452,257.79 = 220,254.26 : x - Step 2: Convert to fraction form
327,621.95/452,257.79 = 220,254.26/x - Step 3: Cross multiply
327,621.95x = 452,257.79 × 220,254.26 - Step 4: Simplify right side
327,621.95x = 99,611,701,503.13 - Step 5: Solve for x
x = 99,611,701,503.13/327,621.95 - Step 6: Final answer
x = 304,044.66
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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.