Finding the Fourth Proportional to 276,094.64, 381,005.99 and 153,585.54
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Solution
The fourth proportional to 276,094.64, 381,005.99 and 153,585.54 is: 211,945.48
Step by Step Solution
- Step 1: Write the proportion equation
276,094.64 : 381,005.99 = 153,585.54 : x - Step 2: Convert to fraction form
276,094.64/381,005.99 = 153,585.54/x - Step 3: Cross multiply
276,094.64x = 381,005.99 × 153,585.54 - Step 4: Simplify right side
276,094.64x = 58,517,009,949.46 - Step 5: Solve for x
x = 58,517,009,949.46/276,094.64 - Step 6: Final answer
x = 211,945.48
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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.