Finding the Fourth Proportional to 555,231.36, 832,717.64 and 155,910.68
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Solution
The fourth proportional to 555,231.36, 832,717.64 and 155,910.68 is: 233,829.68
Step by Step Solution
- Step 1: Write the proportion equation
555,231.36 : 832,717.64 = 155,910.68 : x - Step 2: Convert to fraction form
555,231.36/832,717.64 = 155,910.68/x - Step 3: Cross multiply
555,231.36x = 832,717.64 × 155,910.68 - Step 4: Simplify right side
555,231.36x = 129,829,573,500.40 - Step 5: Solve for x
x = 129,829,573,500.40/555,231.36 - Step 6: Final answer
x = 233,829.68
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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.