Finding the Fourth Proportional to 292,044.68, 438,121.02 and 92,415.32
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Solution
The fourth proportional to 292,044.68, 438,121.02 and 92,415.32 is: 138,640.07
Step by Step Solution
- Step 1: Write the proportion equation
292,044.68 : 438,121.02 = 92,415.32 : x - Step 2: Convert to fraction form
292,044.68/438,121.02 = 92,415.32/x - Step 3: Cross multiply
292,044.68x = 438,121.02 × 92,415.32 - Step 4: Simplify right side
292,044.68x = 40,489,094,262.03 - Step 5: Solve for x
x = 40,489,094,262.03/292,044.68 - Step 6: Final answer
x = 138,640.07
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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.