Finding the Fourth Proportional to 157,862.94, 217,855.14 and 94,237.68
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Solution
The fourth proportional to 157,862.94, 217,855.14 and 94,237.68 is: 130,050.56
Step by Step Solution
- Step 1: Write the proportion equation
157,862.94 : 217,855.14 = 94,237.68 : x - Step 2: Convert to fraction form
157,862.94/217,855.14 = 94,237.68/x - Step 3: Cross multiply
157,862.94x = 217,855.14 × 94,237.68 - Step 4: Simplify right side
157,862.94x = 20,530,162,969.68 - Step 5: Solve for x
x = 20,530,162,969.68/157,862.94 - Step 6: Final answer
x = 130,050.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.