Finding the Fourth Proportional to 214,903.21, 322,487.75 and 124,988.13
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Solution
The fourth proportional to 214,903.21, 322,487.75 and 124,988.13 is: 187,559.50
Step by Step Solution
- Step 1: Write the proportion equation
214,903.21 : 322,487.75 = 124,988.13 : x - Step 2: Convert to fraction form
214,903.21/322,487.75 = 124,988.13/x - Step 3: Cross multiply
214,903.21x = 322,487.75 × 124,988.13 - Step 4: Simplify right side
214,903.21x = 40,307,139,207.97 - Step 5: Solve for x
x = 40,307,139,207.97/214,903.21 - Step 6: Final answer
x = 187,559.50
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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.