Finding the Fourth Proportional to 259,501.68, 358,112.16 and 140,269.68
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Solution
The fourth proportional to 259,501.68, 358,112.16 and 140,269.68 is: 193,572.07
Step by Step Solution
- Step 1: Write the proportion equation
259,501.68 : 358,112.16 = 140,269.68 : x - Step 2: Convert to fraction form
259,501.68/358,112.16 = 140,269.68/x - Step 3: Cross multiply
259,501.68x = 358,112.16 × 140,269.68 - Step 4: Simplify right side
259,501.68x = 50,232,278,087.31 - Step 5: Solve for x
x = 50,232,278,087.31/259,501.68 - Step 6: Final answer
x = 193,572.07
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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.