Finding the Fourth Proportional to 985,440.24, 1,478,157.84 and 237,486.24
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Solution
The fourth proportional to 985,440.24, 1,478,157.84 and 237,486.24 is: 356,228.75
Step by Step Solution
- Step 1: Write the proportion equation
985,440.24 : 1,478,157.84 = 237,486.24 : x - Step 2: Convert to fraction form
985,440.24/1,478,157.84 = 237,486.24/x - Step 3: Cross multiply
985,440.24x = 1,478,157.84 × 237,486.24 - Step 4: Simplify right side
985,440.24x = 351,042,147,548.12 - Step 5: Solve for x
x = 351,042,147,548.12/985,440.24 - Step 6: Final answer
x = 356,228.75
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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.