Finding the Fourth Proportional to 103,221.63, 154,858.46 and 29,349.63
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Solution
The fourth proportional to 103,221.63, 154,858.46 and 29,349.63 is: 44,031.84
Step by Step Solution
- Step 1: Write the proportion equation
103,221.63 : 154,858.46 = 29,349.63 : x - Step 2: Convert to fraction form
103,221.63/154,858.46 = 29,349.63/x - Step 3: Cross multiply
103,221.63x = 154,858.46 × 29,349.63 - Step 4: Simplify right side
103,221.63x = 4,545,038,503.37 - Step 5: Solve for x
x = 4,545,038,503.37/103,221.63 - Step 6: Final answer
x = 44,031.84
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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.