Finding the Fourth Proportional to 156,646.33, 234,981.84 and 44,324.75
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Solution
The fourth proportional to 156,646.33, 234,981.84 and 44,324.75 is: 66,490.62
Step by Step Solution
- Step 1: Write the proportion equation
156,646.33 : 234,981.84 = 44,324.75 : x - Step 2: Convert to fraction form
156,646.33/234,981.84 = 44,324.75/x - Step 3: Cross multiply
156,646.33x = 234,981.84 × 44,324.75 - Step 4: Simplify right side
156,646.33x = 10,415,511,312.54 - Step 5: Solve for x
x = 10,415,511,312.54/156,646.33 - Step 6: Final answer
x = 66,490.62
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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.