Finding the Fourth Proportional to 259,492.14, 358,091.04 and 152,133.68
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Solution
The fourth proportional to 259,492.14, 358,091.04 and 152,133.68 is: 209,939.72
Step by Step Solution
- Step 1: Write the proportion equation
259,492.14 : 358,091.04 = 152,133.68 : x - Step 2: Convert to fraction form
259,492.14/358,091.04 = 152,133.68/x - Step 3: Cross multiply
259,492.14x = 358,091.04 × 152,133.68 - Step 4: Simplify right side
259,492.14x = 54,477,707,690.23 - Step 5: Solve for x
x = 54,477,707,690.23/259,492.14 - Step 6: Final answer
x = 209,939.72
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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.