Finding the Fourth Proportional to 183,685.23, 253,485.50 and 103,112.91
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Solution
The fourth proportional to 183,685.23, 253,485.50 and 103,112.91 is: 142,295.75
Step by Step Solution
- Step 1: Write the proportion equation
183,685.23 : 253,485.50 = 103,112.91 : x - Step 2: Convert to fraction form
183,685.23/253,485.50 = 103,112.91/x - Step 3: Cross multiply
183,685.23x = 253,485.50 × 103,112.91 - Step 4: Simplify right side
183,685.23x = 26,137,627,032.24 - Step 5: Solve for x
x = 26,137,627,032.24/183,685.23 - Step 6: Final answer
x = 142,295.75
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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.