Finding the Fourth Proportional to 318,176.25, 477,239.40 and 184,971.48
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Solution
The fourth proportional to 318,176.25, 477,239.40 and 184,971.48 is: 277,442.70
Step by Step Solution
- Step 1: Write the proportion equation
318,176.25 : 477,239.40 = 184,971.48 : x - Step 2: Convert to fraction form
318,176.25/477,239.40 = 184,971.48/x - Step 3: Cross multiply
318,176.25x = 477,239.40 × 184,971.48 - Step 4: Simplify right side
318,176.25x = 88,275,678,132.31 - Step 5: Solve for x
x = 88,275,678,132.31/318,176.25 - Step 6: Final answer
x = 277,442.70
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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.