Finding the Fourth Proportional to 332,210.70, 498,316.05 and 121,821.30
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Solution
The fourth proportional to 332,210.70, 498,316.05 and 121,821.30 is: 182,731.95
Step by Step Solution
- Step 1: Write the proportion equation
332,210.70 : 498,316.05 = 121,821.30 : x - Step 2: Convert to fraction form
332,210.70/498,316.05 = 121,821.30/x - Step 3: Cross multiply
332,210.70x = 498,316.05 × 121,821.30 - Step 4: Simplify right side
332,210.70x = 60,705,509,021.87 - Step 5: Solve for x
x = 60,705,509,021.87/332,210.70 - Step 6: Final answer
x = 182,731.95
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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.