Finding the Fourth Proportional to 485,708.91, 728,122.30 and 169,993.59
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Solution
The fourth proportional to 485,708.91, 728,122.30 and 169,993.59 is: 254,836.02
Step by Step Solution
- Step 1: Write the proportion equation
485,708.91 : 728,122.30 = 169,993.59 : x - Step 2: Convert to fraction form
485,708.91/728,122.30 = 169,993.59/x - Step 3: Cross multiply
485,708.91x = 728,122.30 × 169,993.59 - Step 4: Simplify right side
485,708.91x = 123,776,123,736.06 - Step 5: Solve for x
x = 123,776,123,736.06/485,708.91 - Step 6: Final answer
x = 254,836.02
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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.