Finding the Fourth Proportional to 517,131.58, 775,697.43 and 162,176.62
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Solution
The fourth proportional to 517,131.58, 775,697.43 and 162,176.62 is: 243,264.95
Step by Step Solution
- Step 1: Write the proportion equation
517,131.58 : 775,697.43 = 162,176.62 : x - Step 2: Convert to fraction form
517,131.58/775,697.43 = 162,176.62/x - Step 3: Cross multiply
517,131.58x = 775,697.43 × 162,176.62 - Step 4: Simplify right side
517,131.58x = 125,799,987,340.09 - Step 5: Solve for x
x = 125,799,987,340.09/517,131.58 - Step 6: Final answer
x = 243,264.95
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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.