Finding the Fourth Proportional to 382,236.84, 570,130.18 and 331,921.26
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Solution
The fourth proportional to 382,236.84, 570,130.18 and 331,921.26 is: 495,081.34
Step by Step Solution
- Step 1: Write the proportion equation
382,236.84 : 570,130.18 = 331,921.26 : x - Step 2: Convert to fraction form
382,236.84/570,130.18 = 331,921.26/x - Step 3: Cross multiply
382,236.84x = 570,130.18 × 331,921.26 - Step 4: Simplify right side
382,236.84x = 189,238,327,709.63 - Step 5: Solve for x
x = 189,238,327,709.63/382,236.84 - Step 6: Final answer
x = 495,081.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.