Finding the Fourth Proportional to 228,124.23, 314,783.91 and 126,135.96
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Solution
The fourth proportional to 228,124.23, 314,783.91 and 126,135.96 is: 174,052.40
Step by Step Solution
- Step 1: Write the proportion equation
228,124.23 : 314,783.91 = 126,135.96 : x - Step 2: Convert to fraction form
228,124.23/314,783.91 = 126,135.96/x - Step 3: Cross multiply
228,124.23x = 314,783.91 × 126,135.96 - Step 4: Simplify right side
228,124.23x = 39,705,570,680.40 - Step 5: Solve for x
x = 39,705,570,680.40/228,124.23 - Step 6: Final answer
x = 174,052.40
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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.