Finding the Fourth Proportional to 414,318.97, 571,790.10 and 253,204.84
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Solution
The fourth proportional to 414,318.97, 571,790.10 and 253,204.84 is: 349,440.97
Step by Step Solution
- Step 1: Write the proportion equation
414,318.97 : 571,790.10 = 253,204.84 : x - Step 2: Convert to fraction form
414,318.97/571,790.10 = 253,204.84/x - Step 3: Cross multiply
414,318.97x = 571,790.10 × 253,204.84 - Step 4: Simplify right side
414,318.97x = 144,780,020,784.08 - Step 5: Solve for x
x = 144,780,020,784.08/414,318.97 - Step 6: Final answer
x = 349,440.97
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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.