Finding the Fourth Proportional to 328,875.12, 453,847.68 and 177,972.12
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Solution
The fourth proportional to 328,875.12, 453,847.68 and 177,972.12 is: 245,601.53
Step by Step Solution
- Step 1: Write the proportion equation
328,875.12 : 453,847.68 = 177,972.12 : x - Step 2: Convert to fraction form
328,875.12/453,847.68 = 177,972.12/x - Step 3: Cross multiply
328,875.12x = 453,847.68 × 177,972.12 - Step 4: Simplify right side
328,875.12x = 80,772,233,766.68 - Step 5: Solve for x
x = 80,772,233,766.68/328,875.12 - Step 6: Final answer
x = 245,601.53
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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.