Finding the Fourth Proportional to 146,054.08, 201,554.08 and 78,986.08
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Solution
The fourth proportional to 146,054.08, 201,554.08 and 78,986.08 is: 109,000.49
Step by Step Solution
- Step 1: Write the proportion equation
146,054.08 : 201,554.08 = 78,986.08 : x - Step 2: Convert to fraction form
146,054.08/201,554.08 = 78,986.08/x - Step 3: Cross multiply
146,054.08x = 201,554.08 × 78,986.08 - Step 4: Simplify right side
146,054.08x = 15,919,966,687.21 - Step 5: Solve for x
x = 15,919,966,687.21/146,054.08 - Step 6: Final answer
x = 109,000.49
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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.