Finding the Fourth Proportional to 199,248.24, 298,872.36 and 115,136.88
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Solution
The fourth proportional to 199,248.24, 298,872.36 and 115,136.88 is: 172,705.32
Step by Step Solution
- Step 1: Write the proportion equation
199,248.24 : 298,872.36 = 115,136.88 : x - Step 2: Convert to fraction form
199,248.24/298,872.36 = 115,136.88/x - Step 3: Cross multiply
199,248.24x = 298,872.36 × 115,136.88 - Step 4: Simplify right side
199,248.24x = 34,411,231,048.64 - Step 5: Solve for x
x = 34,411,231,048.64/199,248.24 - Step 6: Final answer
x = 172,705.32
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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.