Finding the Fourth Proportional to 470,959.12, 649,903.84 and 267,023.76
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Solution
The fourth proportional to 470,959.12, 649,903.84 and 267,023.76 is: 368,481.59
Step by Step Solution
- Step 1: Write the proportion equation
470,959.12 : 649,903.84 = 267,023.76 : x - Step 2: Convert to fraction form
470,959.12/649,903.84 = 267,023.76/x - Step 3: Cross multiply
470,959.12x = 649,903.84 × 267,023.76 - Step 4: Simplify right side
470,959.12x = 173,539,766,995.24 - Step 5: Solve for x
x = 173,539,766,995.24/470,959.12 - Step 6: Final answer
x = 368,481.59
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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.