Finding the Fourth Proportional to 460,741.26, 690,215.21 and 260,455.80
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Solution
The fourth proportional to 460,741.26, 690,215.21 and 260,455.80 is: 390,176.81
Step by Step Solution
- Step 1: Write the proportion equation
460,741.26 : 690,215.21 = 260,455.80 : x - Step 2: Convert to fraction form
460,741.26/690,215.21 = 260,455.80/x - Step 3: Cross multiply
460,741.26x = 690,215.21 × 260,455.80 - Step 4: Simplify right side
460,741.26x = 179,770,553,390.44 - Step 5: Solve for x
x = 179,770,553,390.44/460,741.26 - Step 6: Final answer
x = 390,176.81
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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.