Finding the Fourth Proportional to 379,406.19, 569,171.05 and 177,204.50
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Solution
The fourth proportional to 379,406.19, 569,171.05 and 177,204.50 is: 265,835.60
Step by Step Solution
- Step 1: Write the proportion equation
379,406.19 : 569,171.05 = 177,204.50 : x - Step 2: Convert to fraction form
379,406.19/569,171.05 = 177,204.50/x - Step 3: Cross multiply
379,406.19x = 569,171.05 × 177,204.50 - Step 4: Simplify right side
379,406.19x = 100,859,671,329.73 - Step 5: Solve for x
x = 100,859,671,329.73/379,406.19 - Step 6: Final answer
x = 265,835.60
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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.