Finding the Fourth Proportional to 432,207.36, 595,732.29 and 288,915.12
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Solution
The fourth proportional to 432,207.36, 595,732.29 and 288,915.12 is: 398,225.67
Step by Step Solution
- Step 1: Write the proportion equation
432,207.36 : 595,732.29 = 288,915.12 : x - Step 2: Convert to fraction form
432,207.36/595,732.29 = 288,915.12/x - Step 3: Cross multiply
432,207.36x = 595,732.29 × 288,915.12 - Step 4: Simplify right side
432,207.36x = 172,116,066,053.23 - Step 5: Solve for x
x = 172,116,066,053.23/432,207.36 - Step 6: Final answer
x = 398,225.67
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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.