Finding the Fourth Proportional to 324,311.44, 484,337.93 and 276,416.20
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Solution
The fourth proportional to 324,311.44, 484,337.93 and 276,416.20 is: 412,809.52
Step by Step Solution
- Step 1: Write the proportion equation
324,311.44 : 484,337.93 = 276,416.20 : x - Step 2: Convert to fraction form
324,311.44/484,337.93 = 276,416.20/x - Step 3: Cross multiply
324,311.44x = 484,337.93 × 276,416.20 - Step 4: Simplify right side
324,311.44x = 133,878,850,126.47 - Step 5: Solve for x
x = 133,878,850,126.47/324,311.44 - Step 6: Final answer
x = 412,809.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.