Finding the Fourth Proportional to 263,000.84, 394,600.64 and 157,893.08
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Solution
The fourth proportional to 263,000.84, 394,600.64 and 157,893.08 is: 236,899.28
Step by Step Solution
- Step 1: Write the proportion equation
263,000.84 : 394,600.64 = 157,893.08 : x - Step 2: Convert to fraction form
263,000.84/394,600.64 = 157,893.08/x - Step 3: Cross multiply
263,000.84x = 394,600.64 × 157,893.08 - Step 4: Simplify right side
263,000.84x = 62,304,710,419.57 - Step 5: Solve for x
x = 62,304,710,419.57/263,000.84 - Step 6: Final answer
x = 236,899.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.