Finding the Fourth Proportional to 328,669.55, 493,058.82 and 115,382.10
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Solution
The fourth proportional to 328,669.55, 493,058.82 and 115,382.10 is: 173,092.28
Step by Step Solution
- Step 1: Write the proportion equation
328,669.55 : 493,058.82 = 115,382.10 : x - Step 2: Convert to fraction form
328,669.55/493,058.82 = 115,382.10/x - Step 3: Cross multiply
328,669.55x = 493,058.82 × 115,382.10 - Step 4: Simplify right side
328,669.55x = 56,890,162,075.12 - Step 5: Solve for x
x = 56,890,162,075.12/328,669.55 - Step 6: Final answer
x = 173,092.28
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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.