Finding the Fourth Proportional to 397,295.62, 548,266.12 and 234,047.00
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Solution
The fourth proportional to 397,295.62, 548,266.12 and 234,047.00 is: 322,983.78
Step by Step Solution
- Step 1: Write the proportion equation
397,295.62 : 548,266.12 = 234,047.00 : x - Step 2: Convert to fraction form
397,295.62/548,266.12 = 234,047.00/x - Step 3: Cross multiply
397,295.62x = 548,266.12 × 234,047.00 - Step 4: Simplify right side
397,295.62x = 128,320,041,373.19 - Step 5: Solve for x
x = 128,320,041,373.19/397,295.62 - Step 6: Final answer
x = 322,983.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.