Finding the Fourth Proportional to 302,529.80, 453,797.29 and 86,387.97
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Solution
The fourth proportional to 302,529.80, 453,797.29 and 86,387.97 is: 129,582.70
Step by Step Solution
- Step 1: Write the proportion equation
302,529.80 : 453,797.29 = 86,387.97 : x - Step 2: Convert to fraction form
302,529.80/453,797.29 = 86,387.97/x - Step 3: Cross multiply
302,529.80x = 453,797.29 × 86,387.97 - Step 4: Simplify right side
302,529.80x = 39,202,626,458.63 - Step 5: Solve for x
x = 39,202,626,458.63/302,529.80 - Step 6: Final answer
x = 129,582.70
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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.