Finding the Fourth Proportional to 207,606.69, 286,502.94 and 127,032.75
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Solution
The fourth proportional to 207,606.69, 286,502.94 and 127,032.75 is: 175,308.69
Step by Step Solution
- Step 1: Write the proportion equation
207,606.69 : 286,502.94 = 127,032.75 : x - Step 2: Convert to fraction form
207,606.69/286,502.94 = 127,032.75/x - Step 3: Cross multiply
207,606.69x = 286,502.94 × 127,032.75 - Step 4: Simplify right side
207,606.69x = 36,395,256,351.29 - Step 5: Solve for x
x = 36,395,256,351.29/207,606.69 - Step 6: Final answer
x = 175,308.69
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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.