Finding the Fourth Proportional to 415,087.30, 622,630.95 and 247,125.70
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Solution
The fourth proportional to 415,087.30, 622,630.95 and 247,125.70 is: 370,688.55
Step by Step Solution
- Step 1: Write the proportion equation
415,087.30 : 622,630.95 = 247,125.70 : x - Step 2: Convert to fraction form
415,087.30/622,630.95 = 247,125.70/x - Step 3: Cross multiply
415,087.30x = 622,630.95 × 247,125.70 - Step 4: Simplify right side
415,087.30x = 153,868,109,360.42 - Step 5: Solve for x
x = 153,868,109,360.42/415,087.30 - Step 6: Final answer
x = 370,688.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.