Finding the Fourth Proportional to 259,862.24, 358,954.08 and 209,066.24
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Solution
The fourth proportional to 259,862.24, 358,954.08 and 209,066.24 is: 288,788.32
Step by Step Solution
- Step 1: Write the proportion equation
259,862.24 : 358,954.08 = 209,066.24 : x - Step 2: Convert to fraction form
259,862.24/358,954.08 = 209,066.24/x - Step 3: Cross multiply
259,862.24x = 358,954.08 × 209,066.24 - Step 4: Simplify right side
259,862.24x = 75,045,179,838.26 - Step 5: Solve for x
x = 75,045,179,838.26/259,862.24 - Step 6: Final answer
x = 288,788.32
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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.