Finding the Fourth Proportional to 276,551.92, 381,528.12 and 205,107.76
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Solution
The fourth proportional to 276,551.92, 381,528.12 and 205,107.76 is: 282,964.51
Step by Step Solution
- Step 1: Write the proportion equation
276,551.92 : 381,528.12 = 205,107.76 : x - Step 2: Convert to fraction form
276,551.92/381,528.12 = 205,107.76/x - Step 3: Cross multiply
276,551.92x = 381,528.12 × 205,107.76 - Step 4: Simplify right side
276,551.92x = 78,254,378,070.21 - Step 5: Solve for x
x = 78,254,378,070.21/276,551.92 - Step 6: Final answer
x = 282,964.51
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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.