Finding the Fourth Proportional to 256,855.08, 354,497.62 and 147,938.49
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Solution
The fourth proportional to 256,855.08, 354,497.62 and 147,938.49 is: 204,176.78
Step by Step Solution
- Step 1: Write the proportion equation
256,855.08 : 354,497.62 = 147,938.49 : x - Step 2: Convert to fraction form
256,855.08/354,497.62 = 147,938.49/x - Step 3: Cross multiply
256,855.08x = 354,497.62 × 147,938.49 - Step 4: Simplify right side
256,855.08x = 52,443,842,611.39 - Step 5: Solve for x
x = 52,443,842,611.39/256,855.08 - Step 6: Final answer
x = 204,176.78
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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.