Finding the Fourth Proportional to 371,388.71, 557,163.02 and 115,216.08
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Solution
The fourth proportional to 371,388.71, 557,163.02 and 115,216.08 is: 172,848.93
Step by Step Solution
- Step 1: Write the proportion equation
371,388.71 : 557,163.02 = 115,216.08 : x - Step 2: Convert to fraction form
371,388.71/557,163.02 = 115,216.08/x - Step 3: Cross multiply
371,388.71x = 557,163.02 × 115,216.08 - Step 4: Simplify right side
371,388.71x = 64,194,138,509.28 - Step 5: Solve for x
x = 64,194,138,509.28/371,388.71 - Step 6: Final answer
x = 172,848.93
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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.