Finding the Fourth Proportional to 320,460.80, 480,734.40 and 110,163.20
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Solution
The fourth proportional to 320,460.80, 480,734.40 and 110,163.20 is: 165,259.65
Step by Step Solution
- Step 1: Write the proportion equation
320,460.80 : 480,734.40 = 110,163.20 : x - Step 2: Convert to fraction form
320,460.80/480,734.40 = 110,163.20/x - Step 3: Cross multiply
320,460.80x = 480,734.40 × 110,163.20 - Step 4: Simplify right side
320,460.80x = 52,959,239,854.08 - Step 5: Solve for x
x = 52,959,239,854.08/320,460.80 - Step 6: Final answer
x = 165,259.65
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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.