Finding the Fourth Proportional to 466,277.20, 699,415.80 and 129,317.20
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Solution
The fourth proportional to 466,277.20, 699,415.80 and 129,317.20 is: 193,975.80
Step by Step Solution
- Step 1: Write the proportion equation
466,277.20 : 699,415.80 = 129,317.20 : x - Step 2: Convert to fraction form
466,277.20/699,415.80 = 129,317.20/x - Step 3: Cross multiply
466,277.20x = 699,415.80 × 129,317.20 - Step 4: Simplify right side
466,277.20x = 90,446,492,891.76 - Step 5: Solve for x
x = 90,446,492,891.76/466,277.20 - Step 6: Final answer
x = 193,975.80
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1.5x scale
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.