Finding the Fourth Proportional to 484,213.80, 726,320.70 and 188,725.80
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Solution
The fourth proportional to 484,213.80, 726,320.70 and 188,725.80 is: 283,088.70
Step by Step Solution
- Step 1: Write the proportion equation
484,213.80 : 726,320.70 = 188,725.80 : x - Step 2: Convert to fraction form
484,213.80/726,320.70 = 188,725.80/x - Step 3: Cross multiply
484,213.80x = 726,320.70 × 188,725.80 - Step 4: Simplify right side
484,213.80x = 137,075,455,164.06 - Step 5: Solve for x
x = 137,075,455,164.06/484,213.80 - Step 6: Final answer
x = 283,088.70
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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.