Finding the Fourth Proportional to 311,659.08, 467,420.73 and 83,949.09
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Solution
The fourth proportional to 311,659.08, 467,420.73 and 83,949.09 is: 125,905.35
Step by Step Solution
- Step 1: Write the proportion equation
311,659.08 : 467,420.73 = 83,949.09 : x - Step 2: Convert to fraction form
311,659.08/467,420.73 = 83,949.09/x - Step 3: Cross multiply
311,659.08x = 467,420.73 × 83,949.09 - Step 4: Simplify right side
311,659.08x = 39,239,545,492.24 - Step 5: Solve for x
x = 39,239,545,492.24/311,659.08 - Step 6: Final answer
x = 125,905.35
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1.5x scale
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.