Finding the Fourth Proportional to 212,945.24, 293,863.88 and 122,307.08
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Solution
The fourth proportional to 212,945.24, 293,863.88 and 122,307.08 is: 168,783.45
Step by Step Solution
- Step 1: Write the proportion equation
212,945.24 : 293,863.88 = 122,307.08 : x - Step 2: Convert to fraction form
212,945.24/293,863.88 = 122,307.08/x - Step 3: Cross multiply
212,945.24x = 293,863.88 × 122,307.08 - Step 4: Simplify right side
212,945.24x = 35,941,630,999.42 - Step 5: Solve for x
x = 35,941,630,999.42/212,945.24 - Step 6: Final answer
x = 168,783.45
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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.