Finding the Fourth Proportional to 486,670.26, 730,005.38 and 154,246.26
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Solution
The fourth proportional to 486,670.26, 730,005.38 and 154,246.26 is: 231,369.39
Step by Step Solution
- Step 1: Write the proportion equation
486,670.26 : 730,005.38 = 154,246.26 : x - Step 2: Convert to fraction form
486,670.26/730,005.38 = 154,246.26/x - Step 3: Cross multiply
486,670.26x = 730,005.38 × 154,246.26 - Step 4: Simplify right side
486,670.26x = 112,600,599,644.88 - Step 5: Solve for x
x = 112,600,599,644.88/486,670.26 - Step 6: Final answer
x = 231,369.39
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Similar ratio
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1.5x scale
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.