Finding the Fourth Proportional to 180,232.95, 248,711.49 and 99,655.68
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Solution
The fourth proportional to 180,232.95, 248,711.49 and 99,655.68 is: 137,519.32
Step by Step Solution
- Step 1: Write the proportion equation
180,232.95 : 248,711.49 = 99,655.68 : x - Step 2: Convert to fraction form
180,232.95/248,711.49 = 99,655.68/x - Step 3: Cross multiply
180,232.95x = 248,711.49 × 99,655.68 - Step 4: Simplify right side
180,232.95x = 24,785,512,659.76 - Step 5: Solve for x
x = 24,785,512,659.76/180,232.95 - Step 6: Final answer
x = 137,519.32
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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.