Finding the Fourth Proportional to 146,487.64, 202,154.50 and 86,060.80
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Solution
The fourth proportional to 146,487.64, 202,154.50 and 86,060.80 is: 118,764.82
Step by Step Solution
- Step 1: Write the proportion equation
146,487.64 : 202,154.50 = 86,060.80 : x - Step 2: Convert to fraction form
146,487.64/202,154.50 = 86,060.80/x - Step 3: Cross multiply
146,487.64x = 202,154.50 × 86,060.80 - Step 4: Simplify right side
146,487.64x = 17,397,577,993.60 - Step 5: Solve for x
x = 17,397,577,993.60/146,487.64 - Step 6: Final answer
x = 118,764.82
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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.