Finding the Fourth Proportional to 266,183.38, 399,344.20 and 133,058.26
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Solution
The fourth proportional to 266,183.38, 399,344.20 and 133,058.26 is: 199,621.95
Step by Step Solution
- Step 1: Write the proportion equation
266,183.38 : 399,344.20 = 133,058.26 : x - Step 2: Convert to fraction form
266,183.38/399,344.20 = 133,058.26/x - Step 3: Cross multiply
266,183.38x = 399,344.20 × 133,058.26 - Step 4: Simplify right side
266,183.38x = 53,136,044,393.09 - Step 5: Solve for x
x = 53,136,044,393.09/266,183.38 - Step 6: Final answer
x = 199,621.95
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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.