Finding the Fourth Proportional to 284,329.26, 392,369.67 and 157,001.58
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Solution
The fourth proportional to 284,329.26, 392,369.67 and 157,001.58 is: 216,659.58
Step by Step Solution
- Step 1: Write the proportion equation
284,329.26 : 392,369.67 = 157,001.58 : x - Step 2: Convert to fraction form
284,329.26/392,369.67 = 157,001.58/x - Step 3: Cross multiply
284,329.26x = 392,369.67 × 157,001.58 - Step 4: Simplify right side
284,329.26x = 61,602,658,134.08 - Step 5: Solve for x
x = 61,602,658,134.08/284,329.26 - Step 6: Final answer
x = 216,659.58
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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.