Finding the Fourth Proportional to 453,211.99, 680,117.46 and 213,394.48
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Solution
The fourth proportional to 453,211.99, 680,117.46 and 213,394.48 is: 320,232.73
Step by Step Solution
- Step 1: Write the proportion equation
453,211.99 : 680,117.46 = 213,394.48 : x - Step 2: Convert to fraction form
453,211.99/680,117.46 = 213,394.48/x - Step 3: Cross multiply
453,211.99x = 680,117.46 × 213,394.48 - Step 4: Simplify right side
453,211.99x = 145,133,314,241.10 - Step 5: Solve for x
x = 145,133,314,241.10/453,211.99 - Step 6: Final answer
x = 320,232.73
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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.