Finding the Fourth Proportional to 168,399.18, 252,380.10 and 68,443.08
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Solution
The fourth proportional to 168,399.18, 252,380.10 and 68,443.08 is: 102,575.75
Step by Step Solution
- Step 1: Write the proportion equation
168,399.18 : 252,380.10 = 68,443.08 : x - Step 2: Convert to fraction form
168,399.18/252,380.10 = 68,443.08/x - Step 3: Cross multiply
168,399.18x = 252,380.10 × 68,443.08 - Step 4: Simplify right side
168,399.18x = 17,273,671,374.71 - Step 5: Solve for x
x = 17,273,671,374.71/168,399.18 - Step 6: Final answer
x = 102,575.75
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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.