Finding the Fourth Proportional to 356,307.99, 491,713.01 and 203,343.13
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Solution
The fourth proportional to 356,307.99, 491,713.01 and 203,343.13 is: 280,618.08
Step by Step Solution
- Step 1: Write the proportion equation
356,307.99 : 491,713.01 = 203,343.13 : x - Step 2: Convert to fraction form
356,307.99/491,713.01 = 203,343.13/x - Step 3: Cross multiply
356,307.99x = 491,713.01 × 203,343.13 - Step 4: Simplify right side
356,307.99x = 99,986,465,402.33 - Step 5: Solve for x
x = 99,986,465,402.33/356,307.99 - Step 6: Final answer
x = 280,618.08
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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.