Finding the Fourth Proportional to 165,790.26, 228,784.50 and 97,810.20
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Solution
The fourth proportional to 165,790.26, 228,784.50 and 97,810.20 is: 134,974.50
Step by Step Solution
- Step 1: Write the proportion equation
165,790.26 : 228,784.50 = 97,810.20 : x - Step 2: Convert to fraction form
165,790.26/228,784.50 = 97,810.20/x - Step 3: Cross multiply
165,790.26x = 228,784.50 × 97,810.20 - Step 4: Simplify right side
165,790.26x = 22,377,457,701.90 - Step 5: Solve for x
x = 22,377,457,701.90/165,790.26 - Step 6: Final answer
x = 134,974.50
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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.