Finding the Fourth Proportional to 259,770.24, 358,479.42 and 145,050.66
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Solution
The fourth proportional to 259,770.24, 358,479.42 and 145,050.66 is: 200,167.95
Step by Step Solution
- Step 1: Write the proportion equation
259,770.24 : 358,479.42 = 145,050.66 : x - Step 2: Convert to fraction form
259,770.24/358,479.42 = 145,050.66/x - Step 3: Cross multiply
259,770.24x = 358,479.42 × 145,050.66 - Step 4: Simplify right side
259,770.24x = 51,997,676,467.42 - Step 5: Solve for x
x = 51,997,676,467.42/259,770.24 - Step 6: Final answer
x = 200,167.95
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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.