Finding the Fourth Proportional to 982,107.94, 1,473,157.86 and 272,133.94
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Solution
The fourth proportional to 982,107.94, 1,473,157.86 and 272,133.94 is: 408,199.79
Step by Step Solution
- Step 1: Write the proportion equation
982,107.94 : 1,473,157.86 = 272,133.94 : x - Step 2: Convert to fraction form
982,107.94/1,473,157.86 = 272,133.94/x - Step 3: Cross multiply
982,107.94x = 1,473,157.86 × 272,133.94 - Step 4: Simplify right side
982,107.94x = 400,896,252,683.77 - Step 5: Solve for x
x = 400,896,252,683.77/982,107.94 - Step 6: Final answer
x = 408,199.79
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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.