Finding the Fourth Proportional to 157,464.99, 236,196.40 and 39,136.14
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Solution
The fourth proportional to 157,464.99, 236,196.40 and 39,136.14 is: 58,703.94
Step by Step Solution
- Step 1: Write the proportion equation
157,464.99 : 236,196.40 = 39,136.14 : x - Step 2: Convert to fraction form
157,464.99/236,196.40 = 39,136.14/x - Step 3: Cross multiply
157,464.99x = 236,196.40 × 39,136.14 - Step 4: Simplify right side
157,464.99x = 9,243,815,377.90 - Step 5: Solve for x
x = 9,243,815,377.90/157,464.99 - Step 6: Final answer
x = 58,703.94
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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.