Finding the Fourth Proportional to 290,077.84, 435,063.84 and 121,553.08
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Solution
The fourth proportional to 290,077.84, 435,063.84 and 121,553.08 is: 182,307.44
Step by Step Solution
- Step 1: Write the proportion equation
290,077.84 : 435,063.84 = 121,553.08 : x - Step 2: Convert to fraction form
290,077.84/435,063.84 = 121,553.08/x - Step 3: Cross multiply
290,077.84x = 435,063.84 × 121,553.08 - Step 4: Simplify right side
290,077.84x = 52,883,349,748.63 - Step 5: Solve for x
x = 52,883,349,748.63/290,077.84 - Step 6: Final answer
x = 182,307.44
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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.