Finding the Fourth Proportional to 259,699.91, 358,341.47 and 144,972.62
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Solution
The fourth proportional to 259,699.91, 358,341.47 and 144,972.62 is: 200,037.43
Step by Step Solution
- Step 1: Write the proportion equation
259,699.91 : 358,341.47 = 144,972.62 : x - Step 2: Convert to fraction form
259,699.91/358,341.47 = 144,972.62/x - Step 3: Cross multiply
259,699.91x = 358,341.47 × 144,972.62 - Step 4: Simplify right side
259,699.91x = 51,949,701,131.41 - Step 5: Solve for x
x = 51,949,701,131.41/259,699.91 - Step 6: Final answer
x = 200,037.43
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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.