Finding the Fourth Proportional to 135,903.10, 203,854.65 and 135,903.10
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Solution
The fourth proportional to 135,903.10, 203,854.65 and 135,903.10 is: 203,854.65
Step by Step Solution
- Step 1: Write the proportion equation
135,903.10 : 203,854.65 = 135,903.10 : x - Step 2: Convert to fraction form
135,903.10/203,854.65 = 135,903.10/x - Step 3: Cross multiply
135,903.10x = 203,854.65 × 135,903.10 - Step 4: Simplify right side
135,903.10x = 27,704,478,884.42 - Step 5: Solve for x
x = 27,704,478,884.42/135,903.10 - Step 6: Final answer
x = 203,854.65
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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.