Finding the Fourth Proportional to 135,241.53, 202,880.75 and 56,337.30
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Solution
The fourth proportional to 135,241.53, 202,880.75 and 56,337.30 is: 84,513.65
Step by Step Solution
- Step 1: Write the proportion equation
135,241.53 : 202,880.75 = 56,337.30 : x - Step 2: Convert to fraction form
135,241.53/202,880.75 = 56,337.30/x - Step 3: Cross multiply
135,241.53x = 202,880.75 × 56,337.30 - Step 4: Simplify right side
135,241.53x = 11,429,754,742.41 - Step 5: Solve for x
x = 11,429,754,742.41/135,241.53 - Step 6: Final answer
x = 84,513.65
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1.5x scale
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.