Finding the Fourth Proportional to 399,045.06, 598,250.43 and 230,374.62
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Solution
The fourth proportional to 399,045.06, 598,250.43 and 230,374.62 is: 345,378.83
Step by Step Solution
- Step 1: Write the proportion equation
399,045.06 : 598,250.43 = 230,374.62 : x - Step 2: Convert to fraction form
399,045.06/598,250.43 = 230,374.62/x - Step 3: Cross multiply
399,045.06x = 598,250.43 × 230,374.62 - Step 4: Simplify right side
399,045.06x = 137,821,715,476.09 - Step 5: Solve for x
x = 137,821,715,476.09/399,045.06 - Step 6: Final answer
x = 345,378.83
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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.