Finding the Fourth Proportional to 316,208.46, 436,245.12 and 201,466.56
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Solution
The fourth proportional to 316,208.46, 436,245.12 and 201,466.56 is: 277,945.77
Step by Step Solution
- Step 1: Write the proportion equation
316,208.46 : 436,245.12 = 201,466.56 : x - Step 2: Convert to fraction form
316,208.46/436,245.12 = 201,466.56/x - Step 3: Cross multiply
316,208.46x = 436,245.12 × 201,466.56 - Step 4: Simplify right side
316,208.46x = 87,888,803,643.19 - Step 5: Solve for x
x = 87,888,803,643.19/316,208.46 - Step 6: Final answer
x = 277,945.77
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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.