Finding the Fourth Proportional to 459,927.09, 634,720.26 and 255,991.05
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Solution
The fourth proportional to 459,927.09, 634,720.26 and 255,991.05 is: 353,279.27
Step by Step Solution
- Step 1: Write the proportion equation
459,927.09 : 634,720.26 = 255,991.05 : x - Step 2: Convert to fraction form
459,927.09/634,720.26 = 255,991.05/x - Step 3: Cross multiply
459,927.09x = 634,720.26 × 255,991.05 - Step 4: Simplify right side
459,927.09x = 162,482,705,813.67 - Step 5: Solve for x
x = 162,482,705,813.67/459,927.09 - Step 6: Final answer
x = 353,279.27
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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.