Finding the Fourth Proportional to 359,239.62, 538,914.78 and 122,526.99
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Solution
The fourth proportional to 359,239.62, 538,914.78 and 122,526.99 is: 183,809.36
Step by Step Solution
- Step 1: Write the proportion equation
359,239.62 : 538,914.78 = 122,526.99 : x - Step 2: Convert to fraction form
359,239.62/538,914.78 = 122,526.99/x - Step 3: Cross multiply
359,239.62x = 538,914.78 × 122,526.99 - Step 4: Simplify right side
359,239.62x = 66,031,605,859.91 - Step 5: Solve for x
x = 66,031,605,859.91/359,239.62 - Step 6: Final answer
x = 183,809.36
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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.