Finding the Fourth Proportional to 290,527.11, 435,922.16 and 148,298.99
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Solution
The fourth proportional to 290,527.11, 435,922.16 and 148,298.99 is: 222,515.60
Step by Step Solution
- Step 1: Write the proportion equation
290,527.11 : 435,922.16 = 148,298.99 : x - Step 2: Convert to fraction form
290,527.11/435,922.16 = 148,298.99/x - Step 3: Cross multiply
290,527.11x = 435,922.16 × 148,298.99 - Step 4: Simplify right side
290,527.11x = 64,646,813,125.51 - Step 5: Solve for x
x = 64,646,813,125.51/290,527.11 - Step 6: Final answer
x = 222,515.60
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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.