Finding the Fourth Proportional to 210,175.68, 315,195.84 and 69,896.64
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Solution
The fourth proportional to 210,175.68, 315,195.84 and 69,896.64 is: 104,822.45
Step by Step Solution
- Step 1: Write the proportion equation
210,175.68 : 315,195.84 = 69,896.64 : x - Step 2: Convert to fraction form
210,175.68/315,195.84 = 69,896.64/x - Step 3: Cross multiply
210,175.68x = 315,195.84 × 69,896.64 - Step 4: Simplify right side
210,175.68x = 22,031,130,157.98 - Step 5: Solve for x
x = 22,031,130,157.98/210,175.68 - Step 6: Final answer
x = 104,822.45
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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.