Finding the Fourth Proportional to 559,717.09, 839,421.63 and 154,812.26
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Solution
The fourth proportional to 559,717.09, 839,421.63 and 154,812.26 is: 232,175.80
Step by Step Solution
- Step 1: Write the proportion equation
559,717.09 : 839,421.63 = 154,812.26 : x - Step 2: Convert to fraction form
559,717.09/839,421.63 = 154,812.26/x - Step 3: Cross multiply
559,717.09x = 839,421.63 × 154,812.26 - Step 4: Simplify right side
559,717.09x = 129,952,761,731.74 - Step 5: Solve for x
x = 129,952,761,731.74/559,717.09 - Step 6: Final answer
x = 232,175.80
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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.