Finding the Fourth Proportional to 388,577.03, 582,944.12 and 163,937.95
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Solution
The fourth proportional to 388,577.03, 582,944.12 and 163,937.95 is: 245,940.07
Step by Step Solution
- Step 1: Write the proportion equation
388,577.03 : 582,944.12 = 163,937.95 : x - Step 2: Convert to fraction form
388,577.03/582,944.12 = 163,937.95/x - Step 3: Cross multiply
388,577.03x = 582,944.12 × 163,937.95 - Step 4: Simplify right side
388,577.03x = 95,566,662,335.07 - Step 5: Solve for x
x = 95,566,662,335.07/388,577.03 - Step 6: Final answer
x = 245,940.07
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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.