Finding the Fourth Proportional to 265,787.77, 366,489.16 and 217,239.07
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Solution
The fourth proportional to 265,787.77, 366,489.16 and 217,239.07 is: 299,546.38
Step by Step Solution
- Step 1: Write the proportion equation
265,787.77 : 366,489.16 = 217,239.07 : x - Step 2: Convert to fraction form
265,787.77/366,489.16 = 217,239.07/x - Step 3: Cross multiply
265,787.77x = 366,489.16 × 217,239.07 - Step 4: Simplify right side
265,787.77x = 79,615,764,283.48 - Step 5: Solve for x
x = 79,615,764,283.48/265,787.77 - Step 6: Final answer
x = 299,546.38
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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.