Finding the Fourth Proportional to 265,787.74, 398,827.41 and 107,973.82
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Solution
The fourth proportional to 265,787.74, 398,827.41 and 107,973.82 is: 162,019.96
Step by Step Solution
- Step 1: Write the proportion equation
265,787.74 : 398,827.41 = 107,973.82 : x - Step 2: Convert to fraction form
265,787.74/398,827.41 = 107,973.82/x - Step 3: Cross multiply
265,787.74x = 398,827.41 × 107,973.82 - Step 4: Simplify right side
265,787.74x = 43,062,918,978.41 - Step 5: Solve for x
x = 43,062,918,978.41/265,787.74 - Step 6: Final answer
x = 162,019.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.