Finding the Fourth Proportional to 256,849.08, 354,478.41 and 147,957.18
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Solution
The fourth proportional to 256,849.08, 354,478.41 and 147,957.18 is: 204,196.28
Step by Step Solution
- Step 1: Write the proportion equation
256,849.08 : 354,478.41 = 147,957.18 : x - Step 2: Convert to fraction form
256,849.08/354,478.41 = 147,957.18/x - Step 3: Cross multiply
256,849.08x = 354,478.41 × 147,957.18 - Step 4: Simplify right side
256,849.08x = 52,447,625,914.48 - Step 5: Solve for x
x = 52,447,625,914.48/256,849.08 - Step 6: Final answer
x = 204,196.28
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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.