Finding the Fourth Proportional to 224,917.02, 310,385.79 and 129,421.80
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Solution
The fourth proportional to 224,917.02, 310,385.79 and 129,421.80 is: 178,602.26
Step by Step Solution
- Step 1: Write the proportion equation
224,917.02 : 310,385.79 = 129,421.80 : x - Step 2: Convert to fraction form
224,917.02/310,385.79 = 129,421.80/x - Step 3: Cross multiply
224,917.02x = 310,385.79 × 129,421.80 - Step 4: Simplify right side
224,917.02x = 40,170,687,636.22 - Step 5: Solve for x
x = 40,170,687,636.22/224,917.02 - Step 6: Final answer
x = 178,602.26
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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.