Finding the Fourth Proportional to 260,262.75, 388,206.36 and 236,344.26
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Solution
The fourth proportional to 260,262.75, 388,206.36 and 236,344.26 is: 352,529.68
Step by Step Solution
- Step 1: Write the proportion equation
260,262.75 : 388,206.36 = 236,344.26 : x - Step 2: Convert to fraction form
260,262.75/388,206.36 = 236,344.26/x - Step 3: Cross multiply
260,262.75x = 388,206.36 × 236,344.26 - Step 4: Simplify right side
260,262.75x = 91,750,344,881.49 - Step 5: Solve for x
x = 91,750,344,881.49/260,262.75 - Step 6: Final answer
x = 352,529.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.