Finding the Fourth Proportional to 311,645.64, 467,206.02 and 124,555.08
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Solution
The fourth proportional to 311,645.64, 467,206.02 and 124,555.08 is: 186,727.73
Step by Step Solution
- Step 1: Write the proportion equation
311,645.64 : 467,206.02 = 124,555.08 : x - Step 2: Convert to fraction form
311,645.64/467,206.02 = 124,555.08/x - Step 3: Cross multiply
311,645.64x = 467,206.02 × 124,555.08 - Step 4: Simplify right side
311,645.64x = 58,192,883,197.58 - Step 5: Solve for x
x = 58,192,883,197.58/311,645.64 - Step 6: Final answer
x = 186,727.73
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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.