Finding the Fourth Proportional to 518,186.08, 777,279.13 and 202,421.55
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Solution
The fourth proportional to 518,186.08, 777,279.13 and 202,421.55 is: 303,632.33
Step by Step Solution
- Step 1: Write the proportion equation
518,186.08 : 777,279.13 = 202,421.55 : x - Step 2: Convert to fraction form
518,186.08/777,279.13 = 202,421.55/x - Step 3: Cross multiply
518,186.08x = 777,279.13 × 202,421.55 - Step 4: Simplify right side
518,186.08x = 157,338,046,277.25 - Step 5: Solve for x
x = 157,338,046,277.25/518,186.08 - Step 6: Final answer
x = 303,632.33
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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.