Finding the Fourth Proportional to 298,977.80, 447,550.84 and 193,587.08
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Solution
The fourth proportional to 298,977.80, 447,550.84 and 193,587.08 is: 289,787.60
Step by Step Solution
- Step 1: Write the proportion equation
298,977.80 : 447,550.84 = 193,587.08 : x - Step 2: Convert to fraction form
298,977.80/447,550.84 = 193,587.08/x - Step 3: Cross multiply
298,977.80x = 447,550.84 × 193,587.08 - Step 4: Simplify right side
298,977.80x = 86,640,060,267.15 - Step 5: Solve for x
x = 86,640,060,267.15/298,977.80 - Step 6: Final answer
x = 289,787.60
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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.