Finding the Fourth Proportional to 165,136.35, 247,703.21 and 98,132.75
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Solution
The fourth proportional to 165,136.35, 247,703.21 and 98,132.75 is: 147,198.33
Step by Step Solution
- Step 1: Write the proportion equation
165,136.35 : 247,703.21 = 98,132.75 : x - Step 2: Convert to fraction form
165,136.35/247,703.21 = 98,132.75/x - Step 3: Cross multiply
165,136.35x = 247,703.21 × 98,132.75 - Step 4: Simplify right side
165,136.35x = 24,307,796,071.21 - Step 5: Solve for x
x = 24,307,796,071.21/165,136.35 - Step 6: Final answer
x = 147,198.33
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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.