Finding the Fourth Proportional to 513,364.80, 769,816.80 and 197,716.80
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Solution
The fourth proportional to 513,364.80, 769,816.80 and 197,716.80 is: 296,486.46
Step by Step Solution
- Step 1: Write the proportion equation
513,364.80 : 769,816.80 = 197,716.80 : x - Step 2: Convert to fraction form
513,364.80/769,816.80 = 197,716.80/x - Step 3: Cross multiply
513,364.80x = 769,816.80 × 197,716.80 - Step 4: Simplify right side
513,364.80x = 152,205,714,282.24 - Step 5: Solve for x
x = 152,205,714,282.24/513,364.80 - Step 6: Final answer
x = 296,486.46
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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.