Finding the Fourth Proportional to 180,188.35, 248,649.24 and 99,611.07
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Solution
The fourth proportional to 180,188.35, 248,649.24 and 99,611.07 is: 137,457.37
Step by Step Solution
- Step 1: Write the proportion equation
180,188.35 : 248,649.24 = 99,611.07 : x - Step 2: Convert to fraction form
180,188.35/248,649.24 = 99,611.07/x - Step 3: Cross multiply
180,188.35x = 248,649.24 × 99,611.07 - Step 4: Simplify right side
180,188.35x = 24,768,216,292.19 - Step 5: Solve for x
x = 24,768,216,292.19/180,188.35 - Step 6: Final answer
x = 137,457.37
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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.