Finding the Fourth Proportional to 328,195.29, 452,907.80 and 190,402.08
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Solution
The fourth proportional to 328,195.29, 452,907.80 and 190,402.08 is: 262,753.89
Step by Step Solution
- Step 1: Write the proportion equation
328,195.29 : 452,907.80 = 190,402.08 : x - Step 2: Convert to fraction form
328,195.29/452,907.80 = 190,402.08/x - Step 3: Cross multiply
328,195.29x = 452,907.80 × 190,402.08 - Step 4: Simplify right side
328,195.29x = 86,234,586,930.22 - Step 5: Solve for x
x = 86,234,586,930.22/328,195.29 - Step 6: Final answer
x = 262,753.89
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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.