Finding the Fourth Proportional to 148,768.62, 205,297.83 and 84,232.99
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Solution
The fourth proportional to 148,768.62, 205,297.83 and 84,232.99 is: 116,239.90
Step by Step Solution
- Step 1: Write the proportion equation
148,768.62 : 205,297.83 = 84,232.99 : x - Step 2: Convert to fraction form
148,768.62/205,297.83 = 84,232.99/x - Step 3: Cross multiply
148,768.62x = 205,297.83 × 84,232.99 - Step 4: Simplify right side
148,768.62x = 17,292,850,061.41 - Step 5: Solve for x
x = 17,292,850,061.41/148,768.62 - Step 6: Final answer
x = 116,239.90
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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.