Finding the Fourth Proportional to 292,305.03, 438,469.88 and 92,621.00
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Solution
The fourth proportional to 292,305.03, 438,469.88 and 92,621.00 is: 138,935.40
Step by Step Solution
- Step 1: Write the proportion equation
292,305.03 : 438,469.88 = 92,621.00 : x - Step 2: Convert to fraction form
292,305.03/438,469.88 = 92,621.00/x - Step 3: Cross multiply
292,305.03x = 438,469.88 × 92,621.00 - Step 4: Simplify right side
292,305.03x = 40,611,516,100.03 - Step 5: Solve for x
x = 40,611,516,100.03/292,305.03 - Step 6: Final answer
x = 138,935.40
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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.