Finding the Fourth Proportional to 315,237.30, 435,027.33 and 202,059.96
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Solution
The fourth proportional to 315,237.30, 435,027.33 and 202,059.96 is: 278,842.65
Step by Step Solution
- Step 1: Write the proportion equation
315,237.30 : 435,027.33 = 202,059.96 : x - Step 2: Convert to fraction form
315,237.30/435,027.33 = 202,059.96/x - Step 3: Cross multiply
315,237.30x = 435,027.33 × 202,059.96 - Step 4: Simplify right side
315,237.30x = 87,901,604,898.71 - Step 5: Solve for x
x = 87,901,604,898.71/315,237.30 - Step 6: Final answer
x = 278,842.65
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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.