Finding the Fourth Proportional to 478,323.99, 717,236.73 and 178,558.02
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Solution
The fourth proportional to 478,323.99, 717,236.73 and 178,558.02 is: 267,743.98
Step by Step Solution
- Step 1: Write the proportion equation
478,323.99 : 717,236.73 = 178,558.02 : x - Step 2: Convert to fraction form
478,323.99/717,236.73 = 178,558.02/x - Step 3: Cross multiply
478,323.99x = 717,236.73 × 178,558.02 - Step 4: Simplify right side
478,323.99x = 128,068,370,380.08 - Step 5: Solve for x
x = 128,068,370,380.08/478,323.99 - Step 6: Final answer
x = 267,743.98
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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.