Finding the Fourth Proportional to 127,563.13, 191,220.63 and 60,985.99
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Solution
The fourth proportional to 127,563.13, 191,220.63 and 60,985.99 is: 91,419.67
Step by Step Solution
- Step 1: Write the proportion equation
127,563.13 : 191,220.63 = 60,985.99 : x - Step 2: Convert to fraction form
127,563.13/191,220.63 = 60,985.99/x - Step 3: Cross multiply
127,563.13x = 191,220.63 × 60,985.99 - Step 4: Simplify right side
127,563.13x = 11,661,779,428.97 - Step 5: Solve for x
x = 11,661,779,428.97/127,563.13 - Step 6: Final answer
x = 91,419.67
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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.