Finding the Fourth Proportional to 328,315.75, 453,075.78 and 177,412.75
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Solution
The fourth proportional to 328,315.75, 453,075.78 and 177,412.75 is: 244,829.62
Step by Step Solution
- Step 1: Write the proportion equation
328,315.75 : 453,075.78 = 177,412.75 : x - Step 2: Convert to fraction form
328,315.75/453,075.78 = 177,412.75/x - Step 3: Cross multiply
328,315.75x = 453,075.78 × 177,412.75 - Step 4: Simplify right side
328,315.75x = 80,381,420,088.20 - Step 5: Solve for x
x = 80,381,420,088.20/328,315.75 - Step 6: Final answer
x = 244,829.62
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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.