Finding the Fourth Proportional to 149,218.70, 223,828.05 and 125,599.10
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Solution
The fourth proportional to 149,218.70, 223,828.05 and 125,599.10 is: 188,398.65
Step by Step Solution
- Step 1: Write the proportion equation
149,218.70 : 223,828.05 = 125,599.10 : x - Step 2: Convert to fraction form
149,218.70/223,828.05 = 125,599.10/x - Step 3: Cross multiply
149,218.70x = 223,828.05 × 125,599.10 - Step 4: Simplify right side
149,218.70x = 28,112,601,634.76 - Step 5: Solve for x
x = 28,112,601,634.76/149,218.70 - Step 6: Final answer
x = 188,398.65
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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.