Finding the Fourth Proportional to 400,243.88, 552,340.91 and 218,951.91
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Solution
The fourth proportional to 400,243.88, 552,340.91 and 218,951.91 is: 302,156.02
Step by Step Solution
- Step 1: Write the proportion equation
400,243.88 : 552,340.91 = 218,951.91 : x - Step 2: Convert to fraction form
400,243.88/552,340.91 = 218,951.91/x - Step 3: Cross multiply
400,243.88x = 552,340.91 × 218,951.91 - Step 4: Simplify right side
400,243.88x = 120,936,096,531.41 - Step 5: Solve for x
x = 120,936,096,531.41/400,243.88 - Step 6: Final answer
x = 302,156.02
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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.