Finding the Fourth Proportional to 397,315.26, 592,230.06 and 365,428.80
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Solution
The fourth proportional to 397,315.26, 592,230.06 and 365,428.80 is: 544,700.75
Step by Step Solution
- Step 1: Write the proportion equation
397,315.26 : 592,230.06 = 365,428.80 : x - Step 2: Convert to fraction form
397,315.26/592,230.06 = 365,428.80/x - Step 3: Cross multiply
397,315.26x = 592,230.06 × 365,428.80 - Step 4: Simplify right side
397,315.26x = 216,417,920,149.73 - Step 5: Solve for x
x = 216,417,920,149.73/397,315.26 - Step 6: Final answer
x = 544,700.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.