Finding the Fourth Proportional to 416,077.23, 624,180.65 and 135,529.23
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Solution
The fourth proportional to 416,077.23, 624,180.65 and 135,529.23 is: 203,314.95
Step by Step Solution
- Step 1: Write the proportion equation
416,077.23 : 624,180.65 = 135,529.23 : x - Step 2: Convert to fraction form
416,077.23/624,180.65 = 135,529.23/x - Step 3: Cross multiply
416,077.23x = 624,180.65 × 135,529.23 - Step 4: Simplify right side
416,077.23x = 84,594,722,197.75 - Step 5: Solve for x
x = 84,594,722,197.75/416,077.23 - Step 6: Final answer
x = 203,314.95
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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.