Finding the Fourth Proportional to 165,543.20, 228,447.50 and 97,563.07
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Solution
The fourth proportional to 165,543.20, 228,447.50 and 97,563.07 is: 134,635.79
Step by Step Solution
- Step 1: Write the proportion equation
165,543.20 : 228,447.50 = 97,563.07 : x - Step 2: Convert to fraction form
165,543.20/228,447.50 = 97,563.07/x - Step 3: Cross multiply
165,543.20x = 228,447.50 × 97,563.07 - Step 4: Simplify right side
165,543.20x = 22,288,039,433.83 - Step 5: Solve for x
x = 22,288,039,433.83/165,543.20 - Step 6: Final answer
x = 134,635.79
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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.