Finding the Fourth Proportional to 149,239.99, 205,946.44 and 88,796.80
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Solution
The fourth proportional to 149,239.99, 205,946.44 and 88,796.80 is: 122,536.76
Step by Step Solution
- Step 1: Write the proportion equation
149,239.99 : 205,946.44 = 88,796.80 : x - Step 2: Convert to fraction form
149,239.99/205,946.44 = 88,796.80/x - Step 3: Cross multiply
149,239.99x = 205,946.44 × 88,796.80 - Step 4: Simplify right side
149,239.99x = 18,287,384,843.39 - Step 5: Solve for x
x = 18,287,384,843.39/149,239.99 - Step 6: Final answer
x = 122,536.76
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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.