Finding the Fourth Proportional to 268,734.92, 370,856.84 and 147,878.82
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Solution
The fourth proportional to 268,734.92, 370,856.84 and 147,878.82 is: 204,074.23
Step by Step Solution
- Step 1: Write the proportion equation
268,734.92 : 370,856.84 = 147,878.82 : x - Step 2: Convert to fraction form
268,734.92/370,856.84 = 147,878.82/x - Step 3: Cross multiply
268,734.92x = 370,856.84 × 147,878.82 - Step 4: Simplify right side
268,734.92x = 54,841,871,888.13 - Step 5: Solve for x
x = 54,841,871,888.13/268,734.92 - Step 6: Final answer
x = 204,074.23
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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.