Finding the Fourth Proportional to 165,881.80, 228,913.14 and 102,217.48
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Solution
The fourth proportional to 165,881.80, 228,913.14 and 102,217.48 is: 141,057.82
Step by Step Solution
- Step 1: Write the proportion equation
165,881.80 : 228,913.14 = 102,217.48 : x - Step 2: Convert to fraction form
165,881.80/228,913.14 = 102,217.48/x - Step 3: Cross multiply
165,881.80x = 228,913.14 × 102,217.48 - Step 4: Simplify right side
165,881.80x = 23,398,924,309.69 - Step 5: Solve for x
x = 23,398,924,309.69/165,881.80 - Step 6: Final answer
x = 141,057.82
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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.