Finding the Fourth Proportional to 234,361.05, 323,418.14 and 126,931.08
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Solution
The fourth proportional to 234,361.05, 323,418.14 and 126,931.08 is: 175,164.83
Step by Step Solution
- Step 1: Write the proportion equation
234,361.05 : 323,418.14 = 126,931.08 : x - Step 2: Convert to fraction form
234,361.05/323,418.14 = 126,931.08/x - Step 3: Cross multiply
234,361.05x = 323,418.14 × 126,931.08 - Step 4: Simplify right side
234,361.05x = 41,051,813,801.79 - Step 5: Solve for x
x = 41,051,813,801.79/234,361.05 - Step 6: Final answer
x = 175,164.83
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1.5x scale
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.