Finding the Fourth Proportional to 484,538.10, 668,675.70 and 269,701.80
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Solution
The fourth proportional to 484,538.10, 668,675.70 and 269,701.80 is: 372,195.79
Step by Step Solution
- Step 1: Write the proportion equation
484,538.10 : 668,675.70 = 269,701.80 : x - Step 2: Convert to fraction form
484,538.10/668,675.70 = 269,701.80/x - Step 3: Cross multiply
484,538.10x = 668,675.70 × 269,701.80 - Step 4: Simplify right side
484,538.10x = 180,343,039,906.26 - Step 5: Solve for x
x = 180,343,039,906.26/484,538.10 - Step 6: Final answer
x = 372,195.79
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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.