Finding the Fourth Proportional to 671,262.28, 1,006,739.61 and 191,480.99
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Solution
The fourth proportional to 671,262.28, 1,006,739.61 and 191,480.99 is: 287,177.61
Step by Step Solution
- Step 1: Write the proportion equation
671,262.28 : 1,006,739.61 = 191,480.99 : x - Step 2: Convert to fraction form
671,262.28/1,006,739.61 = 191,480.99/x - Step 3: Cross multiply
671,262.28x = 1,006,739.61 × 191,480.99 - Step 4: Simplify right side
671,262.28x = 192,771,497,195.01 - Step 5: Solve for x
x = 192,771,497,195.01/671,262.28 - Step 6: Final answer
x = 287,177.61
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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.