Finding the Fourth Proportional to 276,981.06, 382,232.70 and 149,656.32
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Solution
The fourth proportional to 276,981.06, 382,232.70 and 149,656.32 is: 206,525.09
Step by Step Solution
- Step 1: Write the proportion equation
276,981.06 : 382,232.70 = 149,656.32 : x - Step 2: Convert to fraction form
276,981.06/382,232.70 = 149,656.32/x - Step 3: Cross multiply
276,981.06x = 382,232.70 × 149,656.32 - Step 4: Simplify right side
276,981.06x = 57,203,539,265.66 - Step 5: Solve for x
x = 57,203,539,265.66/276,981.06 - Step 6: Final answer
x = 206,525.09
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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.