Finding the Fourth Proportional to 146,911.74, 202,784.34 and 83,291.91
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Solution
The fourth proportional to 146,911.74, 202,784.34 and 83,291.91 is: 114,968.99
Step by Step Solution
- Step 1: Write the proportion equation
146,911.74 : 202,784.34 = 83,291.91 : x - Step 2: Convert to fraction form
146,911.74/202,784.34 = 83,291.91/x - Step 3: Cross multiply
146,911.74x = 202,784.34 × 83,291.91 - Step 4: Simplify right side
146,911.74x = 16,890,294,996.69 - Step 5: Solve for x
x = 16,890,294,996.69/146,911.74 - Step 6: Final answer
x = 114,968.99
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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.