Finding the Fourth Proportional to 328,665.08, 453,557.82 and 177,762.08
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Solution
The fourth proportional to 328,665.08, 453,557.82 and 177,762.08 is: 245,311.68
Step by Step Solution
- Step 1: Write the proportion equation
328,665.08 : 453,557.82 = 177,762.08 : x - Step 2: Convert to fraction form
328,665.08/453,557.82 = 177,762.08/x - Step 3: Cross multiply
328,665.08x = 453,557.82 × 177,762.08 - Step 4: Simplify right side
328,665.08x = 80,625,381,483.47 - Step 5: Solve for x
x = 80,625,381,483.47/328,665.08 - Step 6: Final answer
x = 245,311.68
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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.