Finding the Fourth Proportional to 371,743.68, 557,605.80 and 135,090.84
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Solution
The fourth proportional to 371,743.68, 557,605.80 and 135,090.84 is: 202,632.73
Step by Step Solution
- Step 1: Write the proportion equation
371,743.68 : 557,605.80 = 135,090.84 : x - Step 2: Convert to fraction form
371,743.68/557,605.80 = 135,090.84/x - Step 3: Cross multiply
371,743.68x = 557,605.80 × 135,090.84 - Step 4: Simplify right side
371,743.68x = 75,327,435,910.87 - Step 5: Solve for x
x = 75,327,435,910.87/371,743.68 - Step 6: Final answer
x = 202,632.73
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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.