Finding the Fourth Proportional to 689,992.49, 1,034,988.53 and 184,540.41
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Solution
The fourth proportional to 689,992.49, 1,034,988.53 and 184,540.41 is: 276,810.56
Step by Step Solution
- Step 1: Write the proportion equation
689,992.49 : 1,034,988.53 = 184,540.41 : x - Step 2: Convert to fraction form
689,992.49/1,034,988.53 = 184,540.41/x - Step 3: Cross multiply
689,992.49x = 1,034,988.53 × 184,540.41 - Step 4: Simplify right side
689,992.49x = 190,997,206,748.80 - Step 5: Solve for x
x = 190,997,206,748.80/689,992.49 - Step 6: Final answer
x = 276,810.56
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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.