Finding the Fourth Proportional to 319,727.94, 441,229.97 and 174,541.21
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Solution
The fourth proportional to 319,727.94, 441,229.97 and 174,541.21 is: 240,869.82
Step by Step Solution
- Step 1: Write the proportion equation
319,727.94 : 441,229.97 = 174,541.21 : x - Step 2: Convert to fraction form
319,727.94/441,229.97 = 174,541.21/x - Step 3: Cross multiply
319,727.94x = 441,229.97 × 174,541.21 - Step 4: Simplify right side
319,727.94x = 77,012,812,852.06 - Step 5: Solve for x
x = 77,012,812,852.06/319,727.94 - Step 6: Final answer
x = 240,869.82
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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.