Finding the Fourth Proportional to 416,153.60, 574,293.44 and 225,166.99
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Solution
The fourth proportional to 416,153.60, 574,293.44 and 225,166.99 is: 310,731.24
Step by Step Solution
- Step 1: Write the proportion equation
416,153.60 : 574,293.44 = 225,166.99 : x - Step 2: Convert to fraction form
416,153.60/574,293.44 = 225,166.99/x - Step 3: Cross multiply
416,153.60x = 574,293.44 × 225,166.99 - Step 4: Simplify right side
416,153.60x = 129,311,925,465.53 - Step 5: Solve for x
x = 129,311,925,465.53/416,153.60 - Step 6: Final answer
x = 310,731.24
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1.5x scale
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.