Finding the Fourth Proportional to 157,752.63, 236,629.62 and 39,424.14
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Solution
The fourth proportional to 157,752.63, 236,629.62 and 39,424.14 is: 59,136.38
Step by Step Solution
- Step 1: Write the proportion equation
157,752.63 : 236,629.62 = 39,424.14 : x - Step 2: Convert to fraction form
157,752.63/236,629.62 = 39,424.14/x - Step 3: Cross multiply
157,752.63x = 236,629.62 × 39,424.14 - Step 4: Simplify right side
157,752.63x = 9,328,919,267.03 - Step 5: Solve for x
x = 9,328,919,267.03/157,752.63 - Step 6: Final answer
x = 59,136.38
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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.