Finding the Fourth Proportional to 231,154.56, 318,913.74 and 170,851.68
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Solution
The fourth proportional to 231,154.56, 318,913.74 and 170,851.68 is: 235,716.52
Step by Step Solution
- Step 1: Write the proportion equation
231,154.56 : 318,913.74 = 170,851.68 : x - Step 2: Convert to fraction form
231,154.56/318,913.74 = 170,851.68/x - Step 3: Cross multiply
231,154.56x = 318,913.74 × 170,851.68 - Step 4: Simplify right side
231,154.56x = 54,486,948,254.08 - Step 5: Solve for x
x = 54,486,948,254.08/231,154.56 - Step 6: Final answer
x = 235,716.52
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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.