Finding the Fourth Proportional to 129,330.24, 193,714.97 and 62,630.50
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Solution
The fourth proportional to 129,330.24, 193,714.97 and 62,630.50 is: 93,809.96
Step by Step Solution
- Step 1: Write the proportion equation
129,330.24 : 193,714.97 = 62,630.50 : x - Step 2: Convert to fraction form
129,330.24/193,714.97 = 62,630.50/x - Step 3: Cross multiply
129,330.24x = 193,714.97 × 62,630.50 - Step 4: Simplify right side
129,330.24x = 12,132,464,460.01 - Step 5: Solve for x
x = 12,132,464,460.01/129,330.24 - Step 6: Final answer
x = 93,809.96
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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.