Finding the Fourth Proportional to 368,864.44, 552,927.29 and 143,915.40
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Solution
The fourth proportional to 368,864.44, 552,927.29 and 143,915.40 is: 215,728.99
Step by Step Solution
- Step 1: Write the proportion equation
368,864.44 : 552,927.29 = 143,915.40 : x - Step 2: Convert to fraction form
368,864.44/552,927.29 = 143,915.40/x - Step 3: Cross multiply
368,864.44x = 552,927.29 × 143,915.40 - Step 4: Simplify right side
368,864.44x = 79,574,751,391.69 - Step 5: Solve for x
x = 79,574,751,391.69/368,864.44 - Step 6: Final answer
x = 215,728.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.