Finding the Fourth Proportional to 383,556.24, 529,346.88 and 230,644.08
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Solution
The fourth proportional to 383,556.24, 529,346.88 and 230,644.08 is: 318,312.44
Step by Step Solution
- Step 1: Write the proportion equation
383,556.24 : 529,346.88 = 230,644.08 : x - Step 2: Convert to fraction form
383,556.24/529,346.88 = 230,644.08/x - Step 3: Cross multiply
383,556.24x = 529,346.88 × 230,644.08 - Step 4: Simplify right side
383,556.24x = 122,090,724,138.47 - Step 5: Solve for x
x = 122,090,724,138.47/383,556.24 - Step 6: Final answer
x = 318,312.44
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1.5x scale
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.