Finding the Fourth Proportional to 450,868.04, 676,405.74 and 135,330.92
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Solution
The fourth proportional to 450,868.04, 676,405.74 and 135,330.92 is: 203,027.50
Step by Step Solution
- Step 1: Write the proportion equation
450,868.04 : 676,405.74 = 135,330.92 : x - Step 2: Convert to fraction form
450,868.04/676,405.74 = 135,330.92/x - Step 3: Cross multiply
450,868.04x = 676,405.74 × 135,330.92 - Step 4: Simplify right side
450,868.04x = 91,538,611,087.48 - Step 5: Solve for x
x = 91,538,611,087.48/450,868.04 - Step 6: Final answer
x = 203,027.50
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1.5x scale
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.