Finding the Fourth Proportional to 354,720,163.40, 532,080,245.10 and 233,688,278.60
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Solution
The fourth proportional to 354,720,163.40, 532,080,245.10 and 233,688,278.60 is: 350,532,417.90
Step by Step Solution
- Step 1: Write the proportion equation
354,720,163.40 : 532,080,245.10 = 233,688,278.60 : x - Step 2: Convert to fraction form
354,720,163.40/532,080,245.10 = 233,688,278.60/x - Step 3: Cross multiply
354,720,163.40x = 532,080,245.10 × 233,688,278.60 - Step 4: Simplify right side
354,720,163.40x = 124,340,916,554,485,088 - Step 5: Solve for x
x = 124,340,916,554,485,088/354,720,163.40 - Step 6: Final answer
x = 350,532,417.90
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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.