Finding the Fourth Proportional to 130,599.42, 180,207.23 and 73,241.70
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Solution
The fourth proportional to 130,599.42, 180,207.23 and 73,241.70 is: 101,062.34
Step by Step Solution
- Step 1: Write the proportion equation
130,599.42 : 180,207.23 = 73,241.70 : x - Step 2: Convert to fraction form
130,599.42/180,207.23 = 73,241.70/x - Step 3: Cross multiply
130,599.42x = 180,207.23 × 73,241.70 - Step 4: Simplify right side
130,599.42x = 13,198,683,511.28 - Step 5: Solve for x
x = 13,198,683,511.28/130,599.42 - Step 6: Final answer
x = 101,062.34
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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.