Finding the Fourth Proportional to 245,483.62, 338,697.52 and 147,326.99
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Solution
The fourth proportional to 245,483.62, 338,697.52 and 147,326.99 is: 203,269.30
Step by Step Solution
- Step 1: Write the proportion equation
245,483.62 : 338,697.52 = 147,326.99 : x - Step 2: Convert to fraction form
245,483.62/338,697.52 = 147,326.99/x - Step 3: Cross multiply
245,483.62x = 338,697.52 × 147,326.99 - Step 4: Simplify right side
245,483.62x = 49,899,284,080.26 - Step 5: Solve for x
x = 49,899,284,080.26/245,483.62 - Step 6: Final answer
x = 203,269.30
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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.