Finding the Fourth Proportional to 177,364.10, 266,122.95 and 83,821.70
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Solution
The fourth proportional to 177,364.10, 266,122.95 and 83,821.70 is: 125,768.85
Step by Step Solution
- Step 1: Write the proportion equation
177,364.10 : 266,122.95 = 83,821.70 : x - Step 2: Convert to fraction form
177,364.10/266,122.95 = 83,821.70/x - Step 3: Cross multiply
177,364.10x = 266,122.95 × 83,821.70 - Step 4: Simplify right side
177,364.10x = 22,306,878,078.02 - Step 5: Solve for x
x = 22,306,878,078.02/177,364.10 - Step 6: Final answer
x = 125,768.85
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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.