Finding the Fourth Proportional to 171,297.57, 236,396.97 and 93,778.65
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Solution
The fourth proportional to 171,297.57, 236,396.97 and 93,778.65 is: 129,418.00
Step by Step Solution
- Step 1: Write the proportion equation
171,297.57 : 236,396.97 = 93,778.65 : x - Step 2: Convert to fraction form
171,297.57/236,396.97 = 93,778.65/x - Step 3: Cross multiply
171,297.57x = 236,396.97 × 93,778.65 - Step 4: Simplify right side
171,297.57x = 22,168,988,710.69 - Step 5: Solve for x
x = 22,168,988,710.69/171,297.57 - Step 6: Final answer
x = 129,418.00
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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.