Finding the Fourth Proportional to 517,184.68, 775,777.97 and 162,226.21
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Solution
The fourth proportional to 517,184.68, 775,777.97 and 162,226.21 is: 243,339.61
Step by Step Solution
- Step 1: Write the proportion equation
517,184.68 : 775,777.97 = 162,226.21 : x - Step 2: Convert to fraction form
517,184.68/775,777.97 = 162,226.21/x - Step 3: Cross multiply
517,184.68x = 775,777.97 × 162,226.21 - Step 4: Simplify right side
517,184.68x = 125,851,519,874.59 - Step 5: Solve for x
x = 125,851,519,874.59/517,184.68 - Step 6: Final answer
x = 243,339.61
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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.