Finding the Fourth Proportional to 259,448.94, 358,025.87 and 144,739.58
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Solution
The fourth proportional to 259,448.94, 358,025.87 and 144,739.58 is: 199,732.99
Step by Step Solution
- Step 1: Write the proportion equation
259,448.94 : 358,025.87 = 144,739.58 : x - Step 2: Convert to fraction form
259,448.94/358,025.87 = 144,739.58/x - Step 3: Cross multiply
259,448.94x = 358,025.87 × 144,739.58 - Step 4: Simplify right side
259,448.94x = 51,820,512,624.65 - Step 5: Solve for x
x = 51,820,512,624.65/259,448.94 - Step 6: Final answer
x = 199,732.99
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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.