Finding the Fourth Proportional to 457,866.05, 631,893.02 and 253,982.84
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Solution
The fourth proportional to 457,866.05, 631,893.02 and 253,982.84 is: 350,517.32
Step by Step Solution
- Step 1: Write the proportion equation
457,866.05 : 631,893.02 = 253,982.84 : x - Step 2: Convert to fraction form
457,866.05/631,893.02 = 253,982.84/x - Step 3: Cross multiply
457,866.05x = 631,893.02 × 253,982.84 - Step 4: Simplify right side
457,866.05x = 160,489,979,366.40 - Step 5: Solve for x
x = 160,489,979,366.40/457,866.05 - Step 6: Final answer
x = 350,517.32
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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.