Finding the Fourth Proportional to 308,567.84, 425,855.67 and 177,750.02
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Solution
The fourth proportional to 308,567.84, 425,855.67 and 177,750.02 is: 245,313.49
Step by Step Solution
- Step 1: Write the proportion equation
308,567.84 : 425,855.67 = 177,750.02 : x - Step 2: Convert to fraction form
308,567.84/425,855.67 = 177,750.02/x - Step 3: Cross multiply
308,567.84x = 425,855.67 × 177,750.02 - Step 4: Simplify right side
308,567.84x = 75,695,853,859.61 - Step 5: Solve for x
x = 75,695,853,859.61/308,567.84 - Step 6: Final answer
x = 245,313.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.