Finding the Fourth Proportional to 322,076.20, 482,621.66 and 134,985.64
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Solution
The fourth proportional to 322,076.20, 482,621.66 and 134,985.64 is: 202,271.99
Step by Step Solution
- Step 1: Write the proportion equation
322,076.20 : 482,621.66 = 134,985.64 : x - Step 2: Convert to fraction form
322,076.20/482,621.66 = 134,985.64/x - Step 3: Cross multiply
322,076.20x = 482,621.66 × 134,985.64 - Step 4: Simplify right side
322,076.20x = 65,146,993,652.96 - Step 5: Solve for x
x = 65,146,993,652.96/322,076.20 - Step 6: Final answer
x = 202,271.99
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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.