Finding the Fourth Proportional to 284,182.18, 392,169.52 and 155,120.14
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Solution
The fourth proportional to 284,182.18, 392,169.52 and 155,120.14 is: 214,064.76
Step by Step Solution
- Step 1: Write the proportion equation
284,182.18 : 392,169.52 = 155,120.14 : x - Step 2: Convert to fraction form
284,182.18/392,169.52 = 155,120.14/x - Step 3: Cross multiply
284,182.18x = 392,169.52 × 155,120.14 - Step 4: Simplify right side
284,182.18x = 60,833,390,846.13 - Step 5: Solve for x
x = 60,833,390,846.13/284,182.18 - Step 6: Final answer
x = 214,064.76
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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.