Finding the Fourth Proportional to 198,239.16, 273,572.01 and 107,595.93
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Solution
The fourth proportional to 198,239.16, 273,572.01 and 107,595.93 is: 148,483.45
Step by Step Solution
- Step 1: Write the proportion equation
198,239.16 : 273,572.01 = 107,595.93 : x - Step 2: Convert to fraction form
198,239.16/273,572.01 = 107,595.93/x - Step 3: Cross multiply
198,239.16x = 273,572.01 × 107,595.93 - Step 4: Simplify right side
198,239.16x = 29,435,234,837.92 - Step 5: Solve for x
x = 29,435,234,837.92/198,239.16 - Step 6: Final answer
x = 148,483.45
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1.5x scale
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.