Finding the Fourth Proportional to 249,942.06, 344,918.58 and 135,220.38
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Solution
The fourth proportional to 249,942.06, 344,918.58 and 135,220.38 is: 186,603.33
Step by Step Solution
- Step 1: Write the proportion equation
249,942.06 : 344,918.58 = 135,220.38 : x - Step 2: Convert to fraction form
249,942.06/344,918.58 = 135,220.38/x - Step 3: Cross multiply
249,942.06x = 344,918.58 × 135,220.38 - Step 4: Simplify right side
249,942.06x = 46,640,021,456.66 - Step 5: Solve for x
x = 46,640,021,456.66/249,942.06 - Step 6: Final answer
x = 186,603.33
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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.