Finding the Fourth Proportional to 163,021.20, 244,531.80 and 93,037.20
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Solution
The fourth proportional to 163,021.20, 244,531.80 and 93,037.20 is: 139,555.80
Step by Step Solution
- Step 1: Write the proportion equation
163,021.20 : 244,531.80 = 93,037.20 : x - Step 2: Convert to fraction form
163,021.20/244,531.80 = 93,037.20/x - Step 3: Cross multiply
163,021.20x = 244,531.80 × 93,037.20 - Step 4: Simplify right side
163,021.20x = 22,750,553,982.96 - Step 5: Solve for x
x = 22,750,553,982.96/163,021.20 - Step 6: Final answer
x = 139,555.80
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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.