Finding the Fourth Proportional to 191,430.63, 286,968.49 and 84,757.75
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Solution
The fourth proportional to 191,430.63, 286,968.49 and 84,757.75 is: 127,058.05
Step by Step Solution
- Step 1: Write the proportion equation
191,430.63 : 286,968.49 = 84,757.75 : x - Step 2: Convert to fraction form
191,430.63/286,968.49 = 84,757.75/x - Step 3: Cross multiply
191,430.63x = 286,968.49 × 84,757.75 - Step 4: Simplify right side
191,430.63x = 24,322,802,603.98 - Step 5: Solve for x
x = 24,322,802,603.98/191,430.63 - Step 6: Final answer
x = 127,058.05
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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.