Finding the Fourth Proportional to 127,655.21, 176,240.17 and 113,467.05
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Solution
The fourth proportional to 127,655.21, 176,240.17 and 113,467.05 is: 156,652.06
Step by Step Solution
- Step 1: Write the proportion equation
127,655.21 : 176,240.17 = 113,467.05 : x - Step 2: Convert to fraction form
127,655.21/176,240.17 = 113,467.05/x - Step 3: Cross multiply
127,655.21x = 176,240.17 × 113,467.05 - Step 4: Simplify right side
127,655.21x = 19,997,452,323.23 - Step 5: Solve for x
x = 19,997,452,323.23/127,655.21 - Step 6: Final answer
x = 156,652.06
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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.