Finding the Fourth Proportional to 198,038.10, 273,292.65 and 107,394.05
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Solution
The fourth proportional to 198,038.10, 273,292.65 and 107,394.05 is: 148,203.82
Step by Step Solution
- Step 1: Write the proportion equation
198,038.10 : 273,292.65 = 107,394.05 : x - Step 2: Convert to fraction form
198,038.10/273,292.65 = 107,394.05/x - Step 3: Cross multiply
198,038.10x = 273,292.65 × 107,394.05 - Step 4: Simplify right side
198,038.10x = 29,350,003,152.27 - Step 5: Solve for x
x = 29,350,003,152.27/198,038.10 - Step 6: Final answer
x = 148,203.82
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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.