Finding the Fourth Proportional to 118,254.70, 177,383.36 and 39,368.80
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Solution
The fourth proportional to 118,254.70, 177,383.36 and 39,368.80 is: 59,053.63
Step by Step Solution
- Step 1: Write the proportion equation
118,254.70 : 177,383.36 = 39,368.80 : x - Step 2: Convert to fraction form
118,254.70/177,383.36 = 39,368.80/x - Step 3: Cross multiply
118,254.70x = 177,383.36 × 39,368.80 - Step 4: Simplify right side
118,254.70x = 6,983,369,136.25 - Step 5: Solve for x
x = 6,983,369,136.25/118,254.70 - Step 6: Final answer
x = 59,053.63
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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.