Finding the Fourth Proportional to 385,094.40, 577,027.20 and 322,425.60
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Solution
The fourth proportional to 385,094.40, 577,027.20 and 322,425.60 is: 483,123.99
Step by Step Solution
- Step 1: Write the proportion equation
385,094.40 : 577,027.20 = 322,425.60 : x - Step 2: Convert to fraction form
385,094.40/577,027.20 = 322,425.60/x - Step 3: Cross multiply
385,094.40x = 577,027.20 × 322,425.60 - Step 4: Simplify right side
385,094.40x = 186,048,341,176.32 - Step 5: Solve for x
x = 186,048,341,176.32/385,094.40 - Step 6: Final answer
x = 483,123.99
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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.