Finding the Fourth Proportional to 150,364.98, 207,572.49 and 129,865.50
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Solution
The fourth proportional to 150,364.98, 207,572.49 and 129,865.50 is: 179,273.83
Step by Step Solution
- Step 1: Write the proportion equation
150,364.98 : 207,572.49 = 129,865.50 : x - Step 2: Convert to fraction form
150,364.98/207,572.49 = 129,865.50/x - Step 3: Cross multiply
150,364.98x = 207,572.49 × 129,865.50 - Step 4: Simplify right side
150,364.98x = 26,956,505,200.10 - Step 5: Solve for x
x = 26,956,505,200.10/150,364.98 - Step 6: Final answer
x = 179,273.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.