Finding the Fourth Proportional to 118,203.70, 177,305.55 and 48,133.30
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Solution
The fourth proportional to 118,203.70, 177,305.55 and 48,133.30 is: 72,199.95
Step by Step Solution
- Step 1: Write the proportion equation
118,203.70 : 177,305.55 = 48,133.30 : x - Step 2: Convert to fraction form
118,203.70/177,305.55 = 48,133.30/x - Step 3: Cross multiply
118,203.70x = 177,305.55 × 48,133.30 - Step 4: Simplify right side
118,203.70x = 8,534,301,229.82 - Step 5: Solve for x
x = 8,534,301,229.82/118,203.70 - Step 6: Final answer
x = 72,199.95
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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.