Finding the Fourth Proportional to 207,929.08, 286,943.85 and 114,797.81
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Solution
The fourth proportional to 207,929.08, 286,943.85 and 114,797.81 is: 158,421.92
Step by Step Solution
- Step 1: Write the proportion equation
207,929.08 : 286,943.85 = 114,797.81 : x - Step 2: Convert to fraction form
207,929.08/286,943.85 = 114,797.81/x - Step 3: Cross multiply
207,929.08x = 286,943.85 × 114,797.81 - Step 4: Simplify right side
207,929.08x = 32,940,523,564.26 - Step 5: Solve for x
x = 32,940,523,564.26/207,929.08 - Step 6: Final answer
x = 158,421.92
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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.