Finding the Fourth Proportional to 148,316.99, 204,676.94 and 80,333.79
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Solution
The fourth proportional to 148,316.99, 204,676.94 and 80,333.79 is: 110,860.36
Step by Step Solution
- Step 1: Write the proportion equation
148,316.99 : 204,676.94 = 80,333.79 : x - Step 2: Convert to fraction form
148,316.99/204,676.94 = 80,333.79/x - Step 3: Cross multiply
148,316.99x = 204,676.94 × 80,333.79 - Step 4: Simplify right side
148,316.99x = 16,442,473,914.13 - Step 5: Solve for x
x = 16,442,473,914.13/148,316.99 - Step 6: Final answer
x = 110,860.36
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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.