Finding the Fourth Proportional to 155,595.60, 214,713.18 and 91,939.32
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Solution
The fourth proportional to 155,595.60, 214,713.18 and 91,939.32 is: 126,871.09
Step by Step Solution
- Step 1: Write the proportion equation
155,595.60 : 214,713.18 = 91,939.32 : x - Step 2: Convert to fraction form
155,595.60/214,713.18 = 91,939.32/x - Step 3: Cross multiply
155,595.60x = 214,713.18 × 91,939.32 - Step 4: Simplify right side
155,595.60x = 19,740,583,764.24 - Step 5: Solve for x
x = 19,740,583,764.24/155,595.60 - Step 6: Final answer
x = 126,871.09
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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.