Finding the Fourth Proportional to 316,493.34, 436,811.67 and 180,571.62
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Solution
The fourth proportional to 316,493.34, 436,811.67 and 180,571.62 is: 249,217.85
Step by Step Solution
- Step 1: Write the proportion equation
316,493.34 : 436,811.67 = 180,571.62 : x - Step 2: Convert to fraction form
316,493.34/436,811.67 = 180,571.62/x - Step 3: Cross multiply
316,493.34x = 436,811.67 × 180,571.62 - Step 4: Simplify right side
316,493.34x = 78,875,790,886.81 - Step 5: Solve for x
x = 78,875,790,886.81/316,493.34 - Step 6: Final answer
x = 249,217.85
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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.