Finding the Fourth Proportional to 392,936.88, 542,252.90 and 214,088.88
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Solution
The fourth proportional to 392,936.88, 542,252.90 and 214,088.88 is: 295,442.66
Step by Step Solution
- Step 1: Write the proportion equation
392,936.88 : 542,252.90 = 214,088.88 : x - Step 2: Convert to fraction form
392,936.88/542,252.90 = 214,088.88/x - Step 3: Cross multiply
392,936.88x = 542,252.90 × 214,088.88 - Step 4: Simplify right side
392,936.88x = 116,090,316,037.75 - Step 5: Solve for x
x = 116,090,316,037.75/392,936.88 - Step 6: Final answer
x = 295,442.66
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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.