Finding the Fourth Proportional to 207,610.38, 286,502.30 and 112,117.06
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Solution
The fourth proportional to 207,610.38, 286,502.30 and 112,117.06 is: 154,721.53
Step by Step Solution
- Step 1: Write the proportion equation
207,610.38 : 286,502.30 = 112,117.06 : x - Step 2: Convert to fraction form
207,610.38/286,502.30 = 112,117.06/x - Step 3: Cross multiply
207,610.38x = 286,502.30 × 112,117.06 - Step 4: Simplify right side
207,610.38x = 32,121,795,559.24 - Step 5: Solve for x
x = 32,121,795,559.24/207,610.38 - Step 6: Final answer
x = 154,721.53
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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.