Finding the Fourth Proportional to 290,530.11, 435,926.66 and 148,301.99
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Solution
The fourth proportional to 290,530.11, 435,926.66 and 148,301.99 is: 222,520.10
Step by Step Solution
- Step 1: Write the proportion equation
290,530.11 : 435,926.66 = 148,301.99 : x - Step 2: Convert to fraction form
290,530.11/435,926.66 = 148,301.99/x - Step 3: Cross multiply
290,530.11x = 435,926.66 × 148,301.99 - Step 4: Simplify right side
290,530.11x = 64,648,788,250.91 - Step 5: Solve for x
x = 64,648,788,250.91/290,530.11 - Step 6: Final answer
x = 222,520.10
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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.