Finding the Fourth Proportional to 135,618.24, 203,307.48 and 51,319.88
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Solution
The fourth proportional to 135,618.24, 203,307.48 and 51,319.88 is: 76,934.46
Step by Step Solution
- Step 1: Write the proportion equation
135,618.24 : 203,307.48 = 51,319.88 : x - Step 2: Convert to fraction form
135,618.24/203,307.48 = 51,319.88/x - Step 3: Cross multiply
135,618.24x = 203,307.48 × 51,319.88 - Step 4: Simplify right side
135,618.24x = 10,433,715,476.70 - Step 5: Solve for x
x = 10,433,715,476.70/135,618.24 - Step 6: Final answer
x = 76,934.46
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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.