Finding the Fourth Proportional to 456,169.44, 684,370.80 and 189,841.44
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Solution
The fourth proportional to 456,169.44, 684,370.80 and 189,841.44 is: 284,810.70
Step by Step Solution
- Step 1: Write the proportion equation
456,169.44 : 684,370.80 = 189,841.44 : x - Step 2: Convert to fraction form
456,169.44/684,370.80 = 189,841.44/x - Step 3: Cross multiply
456,169.44x = 684,370.80 × 189,841.44 - Step 4: Simplify right side
456,169.44x = 129,921,938,165.95 - Step 5: Solve for x
x = 129,921,938,165.95/456,169.44 - Step 6: Final answer
x = 284,810.70
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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.