Finding the Fourth Proportional to 729,695.70, 1,094,543.55 and 197,201.70
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Solution
The fourth proportional to 729,695.70, 1,094,543.55 and 197,201.70 is: 295,802.55
Step by Step Solution
- Step 1: Write the proportion equation
729,695.70 : 1,094,543.55 = 197,201.70 : x - Step 2: Convert to fraction form
729,695.70/1,094,543.55 = 197,201.70/x - Step 3: Cross multiply
729,695.70x = 1,094,543.55 × 197,201.70 - Step 4: Simplify right side
729,695.70x = 215,845,848,784.04 - Step 5: Solve for x
x = 215,845,848,784.04/729,695.70 - Step 6: Final answer
x = 295,802.55
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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.