Finding the Fourth Proportional to 290,370.69, 435,796.20 and 148,320.99
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Solution
The fourth proportional to 290,370.69, 435,796.20 and 148,320.99 is: 222,604.16
Step by Step Solution
- Step 1: Write the proportion equation
290,370.69 : 435,796.20 = 148,320.99 : x - Step 2: Convert to fraction form
290,370.69/435,796.20 = 148,320.99/x - Step 3: Cross multiply
290,370.69x = 435,796.20 × 148,320.99 - Step 4: Simplify right side
290,370.69x = 64,637,723,822.24 - Step 5: Solve for x
x = 64,637,723,822.24/290,370.69 - Step 6: Final answer
x = 222,604.16
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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.