Finding the Fourth Proportional to 144,555.54, 199,295.52 and 118,619.09
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Solution
The fourth proportional to 144,555.54, 199,295.52 and 118,619.09 is: 163,537.50
Step by Step Solution
- Step 1: Write the proportion equation
144,555.54 : 199,295.52 = 118,619.09 : x - Step 2: Convert to fraction form
144,555.54/199,295.52 = 118,619.09/x - Step 3: Cross multiply
144,555.54x = 199,295.52 × 118,619.09 - Step 4: Simplify right side
144,555.54x = 23,640,252,227.00 - Step 5: Solve for x
x = 23,640,252,227.00/144,555.54 - Step 6: Final answer
x = 163,537.50
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1.5x scale
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.