Finding the Fourth Proportional to 459,980.46, 634,773.07 and 256,026.99
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Solution
The fourth proportional to 459,980.46, 634,773.07 and 256,026.99 is: 353,317.27
Step by Step Solution
- Step 1: Write the proportion equation
459,980.46 : 634,773.07 = 256,026.99 : x - Step 2: Convert to fraction form
459,980.46/634,773.07 = 256,026.99/x - Step 3: Cross multiply
459,980.46x = 634,773.07 × 256,026.99 - Step 4: Simplify right side
459,980.46x = 162,519,039,392.03 - Step 5: Solve for x
x = 162,519,039,392.03/459,980.46 - Step 6: Final answer
x = 353,317.27
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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.