Finding the Fourth Proportional to 165,686.96, 228,648.24 and 94,066.99
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Solution
The fourth proportional to 165,686.96, 228,648.24 and 94,066.99 is: 129,812.57
Step by Step Solution
- Step 1: Write the proportion equation
165,686.96 : 228,648.24 = 94,066.99 : x - Step 2: Convert to fraction form
165,686.96/228,648.24 = 94,066.99/x - Step 3: Cross multiply
165,686.96x = 228,648.24 × 94,066.99 - Step 4: Simplify right side
165,686.96x = 21,508,251,133.98 - Step 5: Solve for x
x = 21,508,251,133.98/165,686.96 - Step 6: Final answer
x = 129,812.57
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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.