Finding the Fourth Proportional to 284,183.42, 392,173.16 and 156,859.05
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Solution
The fourth proportional to 284,183.42, 392,173.16 and 156,859.05 is: 216,465.51
Step by Step Solution
- Step 1: Write the proportion equation
284,183.42 : 392,173.16 = 156,859.05 : x - Step 2: Convert to fraction form
284,183.42/392,173.16 = 156,859.05/x - Step 3: Cross multiply
284,183.42x = 392,173.16 × 156,859.05 - Step 4: Simplify right side
284,183.42x = 61,515,909,607.24 - Step 5: Solve for x
x = 61,515,909,607.24/284,183.42 - Step 6: Final answer
x = 216,465.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.