Finding the Fourth Proportional to 292,201.28, 438,326.90 and 102,645.17
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Solution
The fourth proportional to 292,201.28, 438,326.90 and 102,645.17 is: 153,976.53
Step by Step Solution
- Step 1: Write the proportion equation
292,201.28 : 438,326.90 = 102,645.17 : x - Step 2: Convert to fraction form
292,201.28/438,326.90 = 102,645.17/x - Step 3: Cross multiply
292,201.28x = 438,326.90 × 102,645.17 - Step 4: Simplify right side
292,201.28x = 44,992,138,652.85 - Step 5: Solve for x
x = 44,992,138,652.85/292,201.28 - Step 6: Final answer
x = 153,976.53
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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.