Finding the Fourth Proportional to 518,338.13, 777,186.42 and 202,423.55
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Solution
The fourth proportional to 518,338.13, 777,186.42 and 202,423.55 is: 303,510.05
Step by Step Solution
- Step 1: Write the proportion equation
518,338.13 : 777,186.42 = 202,423.55 : x - Step 2: Convert to fraction form
518,338.13/777,186.42 = 202,423.55/x - Step 3: Cross multiply
518,338.13x = 777,186.42 × 202,423.55 - Step 4: Simplify right side
518,338.13x = 157,320,830,262.26 - Step 5: Solve for x
x = 157,320,830,262.26/518,338.13 - Step 6: Final answer
x = 303,510.05
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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.