Finding the Fourth Proportional to 343,595.43, 474,145.62 and 190,631.99
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Solution
The fourth proportional to 343,595.43, 474,145.62 and 190,631.99 is: 263,063.23
Step by Step Solution
- Step 1: Write the proportion equation
343,595.43 : 474,145.62 = 190,631.99 : x - Step 2: Convert to fraction form
343,595.43/474,145.62 = 190,631.99/x - Step 3: Cross multiply
343,595.43x = 474,145.62 × 190,631.99 - Step 4: Simplify right side
343,595.43x = 90,387,323,090.38 - Step 5: Solve for x
x = 90,387,323,090.38/343,595.43 - Step 6: Final answer
x = 263,063.23
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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.