Finding the Fourth Proportional to 259,869.53, 358,964.13 and 209,073.62
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Solution
The fourth proportional to 259,869.53, 358,964.13 and 209,073.62 is: 288,798.50
Step by Step Solution
- Step 1: Write the proportion equation
259,869.53 : 358,964.13 = 209,073.62 : x - Step 2: Convert to fraction form
259,869.53/358,964.13 = 209,073.62/x - Step 3: Cross multiply
259,869.53x = 358,964.13 × 209,073.62 - Step 4: Simplify right side
259,869.53x = 75,049,930,109.25 - Step 5: Solve for x
x = 75,049,930,109.25/259,869.53 - Step 6: Final answer
x = 288,798.50
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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.