Finding the Fourth Proportional to 296,981.15, 409,828.95 and 167,917.62
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Solution
The fourth proportional to 296,981.15, 409,828.95 and 167,917.62 is: 231,723.48
Step by Step Solution
- Step 1: Write the proportion equation
296,981.15 : 409,828.95 = 167,917.62 : x - Step 2: Convert to fraction form
296,981.15/409,828.95 = 167,917.62/x - Step 3: Cross multiply
296,981.15x = 409,828.95 × 167,917.62 - Step 4: Simplify right side
296,981.15x = 68,817,503,427.96 - Step 5: Solve for x
x = 68,817,503,427.96/296,981.15 - Step 6: Final answer
x = 231,723.48
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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.