Finding the Fourth Proportional to 118,225.80, 177,338.70 and 97,230.60
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Solution
The fourth proportional to 118,225.80, 177,338.70 and 97,230.60 is: 145,845.90
Step by Step Solution
- Step 1: Write the proportion equation
118,225.80 : 177,338.70 = 97,230.60 : x - Step 2: Convert to fraction form
118,225.80/177,338.70 = 97,230.60/x - Step 3: Cross multiply
118,225.80x = 177,338.70 × 97,230.60 - Step 4: Simplify right side
118,225.80x = 17,242,748,204.22 - Step 5: Solve for x
x = 17,242,748,204.22/118,225.80 - Step 6: Final answer
x = 145,845.90
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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.