Finding the Fourth Proportional to 484,821.18, 669,072.96 and 269,947.62
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Solution
The fourth proportional to 484,821.18, 669,072.96 and 269,947.62 is: 372,538.70
Step by Step Solution
- Step 1: Write the proportion equation
484,821.18 : 669,072.96 = 269,947.62 : x - Step 2: Convert to fraction form
484,821.18/669,072.96 = 269,947.62/x - Step 3: Cross multiply
484,821.18x = 669,072.96 × 269,947.62 - Step 4: Simplify right side
484,821.18x = 180,614,653,158.36 - Step 5: Solve for x
x = 180,614,653,158.36/484,821.18 - Step 6: Final answer
x = 372,538.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.