Finding the Fourth Proportional to 397,784.98, 596,618.18 and 131,546.88
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Solution
The fourth proportional to 397,784.98, 596,618.18 and 131,546.88 is: 197,300.71
Step by Step Solution
- Step 1: Write the proportion equation
397,784.98 : 596,618.18 = 131,546.88 : x - Step 2: Convert to fraction form
397,784.98/596,618.18 = 131,546.88/x - Step 3: Cross multiply
397,784.98x = 596,618.18 × 131,546.88 - Step 4: Simplify right side
397,784.98x = 78,483,260,130.28 - Step 5: Solve for x
x = 78,483,260,130.28/397,784.98 - Step 6: Final answer
x = 197,300.71
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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.