Finding the Fourth Proportional to 259,709.68, 358,397.94 and 144,981.69
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Solution
The fourth proportional to 259,709.68, 358,397.94 and 144,981.69 is: 200,073.94
Step by Step Solution
- Step 1: Write the proportion equation
259,709.68 : 358,397.94 = 144,981.69 : x - Step 2: Convert to fraction form
259,709.68/358,397.94 = 144,981.69/x - Step 3: Cross multiply
259,709.68x = 358,397.94 × 144,981.69 - Step 4: Simplify right side
259,709.68x = 51,961,139,033.72 - Step 5: Solve for x
x = 51,961,139,033.72/259,709.68 - Step 6: Final answer
x = 200,073.94
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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.