Finding the Fourth Proportional to 242,707.21, 334,937.50 and 135,284.05
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Solution
The fourth proportional to 242,707.21, 334,937.50 and 135,284.05 is: 186,692.86
Step by Step Solution
- Step 1: Write the proportion equation
242,707.21 : 334,937.50 = 135,284.05 : x - Step 2: Convert to fraction form
242,707.21/334,937.50 = 135,284.05/x - Step 3: Cross multiply
242,707.21x = 334,937.50 × 135,284.05 - Step 4: Simplify right side
242,707.21x = 45,311,701,496.88 - Step 5: Solve for x
x = 45,311,701,496.88/242,707.21 - Step 6: Final answer
x = 186,692.86
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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.