Finding the Fourth Proportional to 459,431.04, 634,071.60 and 278,149.80
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Solution
The fourth proportional to 459,431.04, 634,071.60 and 278,149.80 is: 383,881.09
Step by Step Solution
- Step 1: Write the proportion equation
459,431.04 : 634,071.60 = 278,149.80 : x - Step 2: Convert to fraction form
459,431.04/634,071.60 = 278,149.80/x - Step 3: Cross multiply
459,431.04x = 634,071.60 × 278,149.80 - Step 4: Simplify right side
459,431.04x = 176,366,888,725.68 - Step 5: Solve for x
x = 176,366,888,725.68/459,431.04 - Step 6: Final answer
x = 383,881.09
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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.