Finding the Fourth Proportional to 170,102.21, 234,725.80 and 98,487.08
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Solution
The fourth proportional to 170,102.21, 234,725.80 and 98,487.08 is: 135,903.34
Step by Step Solution
- Step 1: Write the proportion equation
170,102.21 : 234,725.80 = 98,487.08 : x - Step 2: Convert to fraction form
170,102.21/234,725.80 = 98,487.08/x - Step 3: Cross multiply
170,102.21x = 234,725.80 × 98,487.08 - Step 4: Simplify right side
170,102.21x = 23,117,458,642.66 - Step 5: Solve for x
x = 23,117,458,642.66/170,102.21 - Step 6: Final answer
x = 135,903.34
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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.