Finding the Fourth Proportional to 155,218.36, 214,031.82 and 104,829.88
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Solution
The fourth proportional to 155,218.36, 214,031.82 and 104,829.88 is: 144,550.75
Step by Step Solution
- Step 1: Write the proportion equation
155,218.36 : 214,031.82 = 104,829.88 : x - Step 2: Convert to fraction form
155,218.36/214,031.82 = 104,829.88/x - Step 3: Cross multiply
155,218.36x = 214,031.82 × 104,829.88 - Step 4: Simplify right side
155,218.36x = 22,436,930,006.78 - Step 5: Solve for x
x = 22,436,930,006.78/155,218.36 - Step 6: Final answer
x = 144,550.75
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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.