Finding the Fourth Proportional to 508,552.64, 762,816.64 and 129,474.19
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Solution
The fourth proportional to 508,552.64, 762,816.64 and 129,474.19 is: 194,208.14
Step by Step Solution
- Step 1: Write the proportion equation
508,552.64 : 762,816.64 = 129,474.19 : x - Step 2: Convert to fraction form
508,552.64/762,816.64 = 129,474.19/x - Step 3: Cross multiply
508,552.64x = 762,816.64 × 129,474.19 - Step 4: Simplify right side
508,552.64x = 98,765,062,768.44 - Step 5: Solve for x
x = 98,765,062,768.44/508,552.64 - Step 6: Final answer
x = 194,208.14
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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.