Finding the Fourth Proportional to 165,877.62, 228,669.68 and 131,899.84
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Solution
The fourth proportional to 165,877.62, 228,669.68 and 131,899.84 is: 181,829.80
Step by Step Solution
- Step 1: Write the proportion equation
165,877.62 : 228,669.68 = 131,899.84 : x - Step 2: Convert to fraction form
165,877.62/228,669.68 = 131,899.84/x - Step 3: Cross multiply
165,877.62x = 228,669.68 × 131,899.84 - Step 4: Simplify right side
165,877.62x = 30,161,495,249.19 - Step 5: Solve for x
x = 30,161,495,249.19/165,877.62 - Step 6: Final answer
x = 181,829.80
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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.