Finding the Fourth Proportional to 168,671.20, 252,844.80 and 97,520.80
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Solution
The fourth proportional to 168,671.20, 252,844.80 and 97,520.80 is: 146,187.54
Step by Step Solution
- Step 1: Write the proportion equation
168,671.20 : 252,844.80 = 97,520.80 : x - Step 2: Convert to fraction form
168,671.20/252,844.80 = 97,520.80/x - Step 3: Cross multiply
168,671.20x = 252,844.80 × 97,520.80 - Step 4: Simplify right side
168,671.20x = 24,657,627,171.84 - Step 5: Solve for x
x = 24,657,627,171.84/168,671.20 - Step 6: Final answer
x = 146,187.54
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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.