Finding the Fourth Proportional to 198,299.01, 273,655.47 and 107,655.15
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Solution
The fourth proportional to 198,299.01, 273,655.47 and 107,655.15 is: 148,565.65
Step by Step Solution
- Step 1: Write the proportion equation
198,299.01 : 273,655.47 = 107,655.15 : x - Step 2: Convert to fraction form
198,299.01/273,655.47 = 107,655.15/x - Step 3: Cross multiply
198,299.01x = 273,655.47 × 107,655.15 - Step 4: Simplify right side
198,299.01x = 29,460,420,671.17 - Step 5: Solve for x
x = 29,460,420,671.17/198,299.01 - Step 6: Final answer
x = 148,565.65
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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.