Finding the Fourth Proportional to 190,885.91, 263,434.73 and 106,002.96
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Solution
The fourth proportional to 190,885.91, 263,434.73 and 106,002.96 is: 146,290.85
Step by Step Solution
- Step 1: Write the proportion equation
190,885.91 : 263,434.73 = 106,002.96 : x - Step 2: Convert to fraction form
190,885.91/263,434.73 = 106,002.96/x - Step 3: Cross multiply
190,885.91x = 263,434.73 × 106,002.96 - Step 4: Simplify right side
190,885.91x = 27,924,860,616.79 - Step 5: Solve for x
x = 27,924,860,616.79/190,885.91 - Step 6: Final answer
x = 146,290.85
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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.