Finding the Fourth Proportional to 449,115.79, 619,696.87 and 255,512.20
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Solution
The fourth proportional to 449,115.79, 619,696.87 and 255,512.20 is: 352,559.66
Step by Step Solution
- Step 1: Write the proportion equation
449,115.79 : 619,696.87 = 255,512.20 : x - Step 2: Convert to fraction form
449,115.79/619,696.87 = 255,512.20/x - Step 3: Cross multiply
449,115.79x = 619,696.87 × 255,512.20 - Step 4: Simplify right side
449,115.79x = 158,340,110,488.78 - Step 5: Solve for x
x = 158,340,110,488.78/449,115.79 - Step 6: Final answer
x = 352,559.66
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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.