Finding the Fourth Proportional to 290,397.88, 435,531.14 and 110,419.09
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Solution
The fourth proportional to 290,397.88, 435,531.14 and 110,419.09 is: 165,603.66
Step by Step Solution
- Step 1: Write the proportion equation
290,397.88 : 435,531.14 = 110,419.09 : x - Step 2: Convert to fraction form
290,397.88/435,531.14 = 110,419.09/x - Step 3: Cross multiply
290,397.88x = 435,531.14 × 110,419.09 - Step 4: Simplify right side
290,397.88x = 48,090,952,145.46 - Step 5: Solve for x
x = 48,090,952,145.46/290,397.88 - Step 6: Final answer
x = 165,603.66
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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.