Finding the Fourth Proportional to 200,417.92, 276,626.64 and 115,586.08
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Solution
The fourth proportional to 200,417.92, 276,626.64 and 115,586.08 is: 159,537.57
Step by Step Solution
- Step 1: Write the proportion equation
200,417.92 : 276,626.64 = 115,586.08 : x - Step 2: Convert to fraction form
200,417.92/276,626.64 = 115,586.08/x - Step 3: Cross multiply
200,417.92x = 276,626.64 × 115,586.08 - Step 4: Simplify right side
200,417.92x = 31,974,188,941.17 - Step 5: Solve for x
x = 31,974,188,941.17/200,417.92 - Step 6: Final answer
x = 159,537.57
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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.