Finding the Fourth Proportional to 539,747.30, 809,620.95 and 165,721.70
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Solution
The fourth proportional to 539,747.30, 809,620.95 and 165,721.70 is: 248,582.55
Step by Step Solution
- Step 1: Write the proportion equation
539,747.30 : 809,620.95 = 165,721.70 : x - Step 2: Convert to fraction form
539,747.30/809,620.95 = 165,721.70/x - Step 3: Cross multiply
539,747.30x = 809,620.95 × 165,721.70 - Step 4: Simplify right side
539,747.30x = 134,171,760,189.62 - Step 5: Solve for x
x = 134,171,760,189.62/539,747.30 - Step 6: Final answer
x = 248,582.55
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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.