Finding the Fourth Proportional to 135,822.96, 203,783.04 and 69,279.84
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Solution
The fourth proportional to 135,822.96, 203,783.04 and 69,279.84 is: 103,944.55
Step by Step Solution
- Step 1: Write the proportion equation
135,822.96 : 203,783.04 = 69,279.84 : x - Step 2: Convert to fraction form
135,822.96/203,783.04 = 69,279.84/x - Step 3: Cross multiply
135,822.96x = 203,783.04 × 69,279.84 - Step 4: Simplify right side
135,822.96x = 14,118,056,405.91 - Step 5: Solve for x
x = 14,118,056,405.91/135,822.96 - Step 6: Final answer
x = 103,944.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.