Finding the Fourth Proportional to 198,671.08, 298,298.22 and 124,108.96
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Solution
The fourth proportional to 198,671.08, 298,298.22 and 124,108.96 is: 186,345.60
Step by Step Solution
- Step 1: Write the proportion equation
198,671.08 : 298,298.22 = 124,108.96 : x - Step 2: Convert to fraction form
198,671.08/298,298.22 = 124,108.96/x - Step 3: Cross multiply
198,671.08x = 298,298.22 × 124,108.96 - Step 4: Simplify right side
198,671.08x = 37,021,481,854.05 - Step 5: Solve for x
x = 37,021,481,854.05/198,671.08 - Step 6: Final answer
x = 186,345.60
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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.