Finding the Fourth Proportional to 351,532.21, 485,114.29 and 190,387.26
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Solution
The fourth proportional to 351,532.21, 485,114.29 and 190,387.26 is: 262,734.33
Step by Step Solution
- Step 1: Write the proportion equation
351,532.21 : 485,114.29 = 190,387.26 : x - Step 2: Convert to fraction form
351,532.21/485,114.29 = 190,387.26/x - Step 3: Cross multiply
351,532.21x = 485,114.29 × 190,387.26 - Step 4: Simplify right side
351,532.21x = 92,359,580,459.95 - Step 5: Solve for x
x = 92,359,580,459.95/351,532.21 - Step 6: Final answer
x = 262,734.33
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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.