Finding the Fourth Proportional to 454,232.98, 626,836.49 and 257,998.08
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Solution
The fourth proportional to 454,232.98, 626,836.49 and 257,998.08 is: 356,034.50
Step by Step Solution
- Step 1: Write the proportion equation
454,232.98 : 626,836.49 = 257,998.08 : x - Step 2: Convert to fraction form
454,232.98/626,836.49 = 257,998.08/x - Step 3: Cross multiply
454,232.98x = 626,836.49 × 257,998.08 - Step 4: Simplify right side
454,232.98x = 161,722,612,429.60 - Step 5: Solve for x
x = 161,722,612,429.60/454,232.98 - Step 6: Final answer
x = 356,034.50
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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.