Finding the Fourth Proportional to 459,523.19, 634,048.16 and 268,499.68
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Solution
The fourth proportional to 459,523.19, 634,048.16 and 268,499.68 is: 370,474.72
Step by Step Solution
- Step 1: Write the proportion equation
459,523.19 : 634,048.16 = 268,499.68 : x - Step 2: Convert to fraction form
459,523.19/634,048.16 = 268,499.68/x - Step 3: Cross multiply
459,523.19x = 634,048.16 × 268,499.68 - Step 4: Simplify right side
459,523.19x = 170,241,725,136.97 - Step 5: Solve for x
x = 170,241,725,136.97/459,523.19 - Step 6: Final answer
x = 370,474.72
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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.