Finding the Fourth Proportional to 372,142.14, 513,702.06 and 263,812.62
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Solution
The fourth proportional to 372,142.14, 513,702.06 and 263,812.62 is: 364,164.85
Step by Step Solution
- Step 1: Write the proportion equation
372,142.14 : 513,702.06 = 263,812.62 : x - Step 2: Convert to fraction form
372,142.14/513,702.06 = 263,812.62/x - Step 3: Cross multiply
372,142.14x = 513,702.06 × 263,812.62 - Step 4: Simplify right side
372,142.14x = 135,521,086,348.00 - Step 5: Solve for x
x = 135,521,086,348.00/372,142.14 - Step 6: Final answer
x = 364,164.85
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1.5x scale
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.