Finding the Fourth Proportional to 346,135.84, 477,673.68 and 202,999.12
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Solution
The fourth proportional to 346,135.84, 477,673.68 and 202,999.12 is: 280,142.43
Step by Step Solution
- Step 1: Write the proportion equation
346,135.84 : 477,673.68 = 202,999.12 : x - Step 2: Convert to fraction form
346,135.84/477,673.68 = 202,999.12/x - Step 3: Cross multiply
346,135.84x = 477,673.68 × 202,999.12 - Step 4: Simplify right side
346,135.84x = 96,967,336,687.16 - Step 5: Solve for x
x = 96,967,336,687.16/346,135.84 - Step 6: Final answer
x = 280,142.43
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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.