Finding the Fourth Proportional to 259,884.84, 358,672.20 and 157,926.96
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Solution
The fourth proportional to 259,884.84, 358,672.20 and 157,926.96 is: 217,958.12
Step by Step Solution
- Step 1: Write the proportion equation
259,884.84 : 358,672.20 = 157,926.96 : x - Step 2: Convert to fraction form
259,884.84/358,672.20 = 157,926.96/x - Step 3: Cross multiply
259,884.84x = 358,672.20 × 157,926.96 - Step 4: Simplify right side
259,884.84x = 56,644,010,182.51 - Step 5: Solve for x
x = 56,644,010,182.51/259,884.84 - Step 6: Final answer
x = 217,958.12
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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.