Finding the Fourth Proportional to 207,605.57, 286,465.21 and 116,943.48
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Solution
The fourth proportional to 207,605.57, 286,465.21 and 116,943.48 is: 161,364.84
Step by Step Solution
- Step 1: Write the proportion equation
207,605.57 : 286,465.21 = 116,943.48 : x - Step 2: Convert to fraction form
207,605.57/286,465.21 = 116,943.48/x - Step 3: Cross multiply
207,605.57x = 286,465.21 × 116,943.48 - Step 4: Simplify right side
207,605.57x = 33,500,238,263.97 - Step 5: Solve for x
x = 33,500,238,263.97/207,605.57 - Step 6: Final answer
x = 161,364.84
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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.