Finding the Fourth Proportional to 242,692.27, 334,926.74 and 135,263.05
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Solution
The fourth proportional to 242,692.27, 334,926.74 and 135,263.05 is: 186,669.37
Step by Step Solution
- Step 1: Write the proportion equation
242,692.27 : 334,926.74 = 135,263.05 : x - Step 2: Convert to fraction form
242,692.27/334,926.74 = 135,263.05/x - Step 3: Cross multiply
242,692.27x = 334,926.74 × 135,263.05 - Step 4: Simplify right side
242,692.27x = 45,303,212,378.96 - Step 5: Solve for x
x = 45,303,212,378.96/242,692.27 - Step 6: Final answer
x = 186,669.37
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1.5x scale
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.