Finding the Fourth Proportional to 207,661.13, 286,572.48 and 112,167.82
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Solution
The fourth proportional to 207,661.13, 286,572.48 and 112,167.82 is: 154,791.66
Step by Step Solution
- Step 1: Write the proportion equation
207,661.13 : 286,572.48 = 112,167.82 : x - Step 2: Convert to fraction form
207,661.13/286,572.48 = 112,167.82/x - Step 3: Cross multiply
207,661.13x = 286,572.48 × 112,167.82 - Step 4: Simplify right side
207,661.13x = 32,144,210,291.18 - Step 5: Solve for x
x = 32,144,210,291.18/207,661.13 - Step 6: Final answer
x = 154,791.66
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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.