Finding the Fourth Proportional to 127,887.08, 191,830.62 and 56,793.00
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Solution
The fourth proportional to 127,887.08, 191,830.62 and 56,793.00 is: 85,189.50
Step by Step Solution
- Step 1: Write the proportion equation
127,887.08 : 191,830.62 = 56,793.00 : x - Step 2: Convert to fraction form
127,887.08/191,830.62 = 56,793.00/x - Step 3: Cross multiply
127,887.08x = 191,830.62 × 56,793.00 - Step 4: Simplify right side
127,887.08x = 10,894,636,634.74 - Step 5: Solve for x
x = 10,894,636,634.74/127,887.08 - Step 6: Final answer
x = 85,189.50
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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.